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    Portrait of Matsudaira Sadanobu

    Edo period

    Matsudaira Sadanobu

    松平定信

    Three points in the story

    1. A Tokugawa grandson becomes a domain heir
    2. Canceling old debts without ending dependence on lenders
    3. A lord’s later work, retirement and surviving records

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    The life in brief

    Overview

    Matsudaira Sadanobu (1759–1829) was a descendant of the ruling Tokugawa family, lord of Shirakawa in northeastern Japan and leader of the Kansei reforms. His father, Tayasu Munetake, was a son of Yoshimune, the former shogun or head of the warrior government. Sadanobu studied Chinese classics with the household scholar Ōtsuka Takasue. Adopted by Shirakawa’s lord Matsudaira Sadakuni in 1774, he inherited the domain in 1783 after directing food procurement during the Tenmei famine.

    Support from major Tokugawa branches and the new shogun Ienari’s father helped make him leading senior councillor in 1787; shogunal assistance followed in 1788. Working through councillors and officials, his administration pursued rural recovery, debt relief for the Tokugawa house’s warrior retainers, grain reserves and supervised urban assistance. Merchant capital and local administrators supplied important means of execution. Teaching and publication controls accompanied the program, while debt cancellation disrupted new credit.

    Disagreements over honors for the emperor’s and shogun’s fathers, restrictive policies and declining support formed the setting of his removal from central offices in 1793. Other councillors continued parts of the reform direction. Sadanobu retained Shirakawa, developed schools and the Nanko landscape, and supported a collaborative illustrated catalogue of antiquities. He transferred lordship to his son in 1812, continued writing in retirement and died in 1829. His varied writings include a participant’s account of the political life in which he had acted.

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    A Tokugawa grandson becomes a domain heir

    Matsudaira Sadanobu (1759–1829) was born in Edo, now Tokyo, to Tayasu Munetake, a son of Tokugawa Yoshimune. Yoshimune had been shogun, head of Japan’s warrior government. Sadanobu’s father was also a poet and scholar, and the boy studied under the household scholar Ōtsuka Takasue. Confucian writings, an ancient Chinese tradition, linked personal conduct with the responsibilities of governing. In 1774 he became the adopted heir of Matsudaira Sadakuni, lord of Shirakawa in northeastern Japan, now Fukushima. Adoption moved him into a different governing household without removing his Tokugawa ancestry. In 1783 he succeeded Sadakuni amid the Tenmei famine. His first major test as a ruler concerned obtaining food and rebuilding a distressed domain. [1][2][3]

    Getting food through a divided landscape

    In 1783 Shirakawa faced shortage and attacks on property in its castle town. Sadakuni was ill, and Sadanobu directed the response in his place. The domain held separate land in Echigo, now Niigata, where the famine had been less destructive. Grain there could help Shirakawa only if it crossed intervening territory. Sadanobu negotiated with Aizu for transit and sought additional rice and other grain through purchases. He then inherited the domain and combined immediate relief with reduced expenditure, reserves and population recovery. The response limited damage and helped establish his reputation. The later tradition that nobody died of famine in Shirakawa is stronger than the supply arrangements themselves can prove. [3][1][2]

    Leading a council after a crisis of authority

    The senior councillor Tanuma Okitsugu lost office after the shogun Ieharu died in 1786. Famine and urban unrest continued. In 1787 Sadanobu became the leading rōjū, or senior councillor, under the young shogun Tokugawa Ienari. His ancestry and Shirakawa record helped win support from major Tokugawa branches and Ienari’s father, Hitotsubashi Harusada. In 1788 he also became the shogun’s assistant. He worked with councillors such as Matsudaira Nobuakira and Honda Tadakazu, replacing parts of the preceding governing group. The reforms known as Kansei aimed to restore finances, village production and social order. Their decisions and execution required councils, magistrates, village officials and merchants as well as Sadanobu’s leadership. [1][2][4]

    Rebuilding villages with grain, credit and restrictions

    Kansei policy sought to restore village households and fields damaged by famine. Measures supplied food and agricultural funds, deferred repayment and encouraged migrants in Edo to return to farming. Grain reserves were intended to make a future bad harvest less destructive. Government money lent through local officials to wealthy cultivators generated interest for reclamation and assistance in raising children. The administration also relied on major merchants for funds and market knowledge when managing rice prices. Sadanobu’s emphasis on agriculture therefore coexisted with financial and commercial tools. Restrictions on movement and production accompanied assistance, and encouragement to return to villages achieved little. Recovery depended on more than issuing a command that farming should resume. [4][16]

    Canceling old debts without ending dependence on lenders

    Many warrior retainers employed by the Tokugawa house depended on fudasashi, merchants who handled stipend rice and supplied loans against it. In 1789 Sadanobu’s administration ordered cancellation of debts to these merchants dating from 1784 and earlier, with lower interest and installments for newer obligations. The measure relieved indebted warriors but imposed losses on lenders. Refusal of new credit then threatened the same households whose existing debts had been reduced. Government supported a lending office to help the affected merchants resume finance. The episode shows why a debt order had consequences beyond a written balance: households receiving income in rice still needed merchants to turn it into money and provide funds before later payments arrived. [5][4]

    Making a city reserve—and deciding where people belong

    Sadanobu’s government treated Edo’s distressed population as both a relief problem and a threat to order. Hasegawa Heizō, an official responsible for serious crime, developed the Ishikawajima workhouse opened in 1790. It confined people without recognized household registration and offered vocational training. A separate city arrangement, ordered in 1791 and begun in operation in 1792, required seventy percent of assessed savings in neighborhood expenses to be accumulated as the shichibu tsumikin. Supervised city representatives and merchants managed the reserve, grain stores, relief and lending. Its later distributions continued beyond Sadanobu’s office and lifetime. Assistance was substantial, but its means included compulsory contributions, supervision and confinement as well as food and funds. [7][6][3][4]

    Training officials and restricting the printed world

    In 1790 Sadanobu instructed the Hayashi house, responsible for Confucian teaching associated with the shogunate, to maintain Zhu Xi’s Confucian teaching in its school and exclude rival teachings among pupils. Zhu Xi’s tradition joined classical study to moral cultivation and ordered obligations. The order’s direct institutional scope was narrower than a ban on all different thought across Japan, although other schools followed its example and rival scholars faced pressure. Staff changes and examinations strengthened the education of officials; academy reform continued after Sadanobu left central office. Publishing also faced stricter review. In 1791 the writer Santō Kyōden and publisher Tsutaya Jūzaburō were punished for books officials judged improper. Learned preparation and public instruction were accompanied by controls that restricted writers’ and teachers’ room to act. [8][9][10][3][4]

    A Russian approach and an unfinished opening

    In 1792 Adam Laxman reached Nemuro from Russia with Japanese castaways and sought access to Edo for a trade request. The government refused a direct approach to the capital and directed foreign negotiation toward Nagasaki, giving him an entry permit. Laxman did not use it to visit that port, and no trade agreement resulted. Sadanobu also inspected the coast near Edo and pursued defensive planning. The historian Iwasaki Naoko interprets the response as leaving room for negotiation while controlling its location. She distinguishes this from Sadanobu’s stronger opposition to Russian trade after later attacks in the north. In 1810 his Shirakawa domain received coastal defense duties, continuing external-security work beyond his central ministry. [11][12][1]

    When family honors strain a governing alliance

    In 1789 Emperor Kōkaku sought the title of retired emperor for his father, Prince Sukehito, who had never occupied the throne. Sadanobu opposed granting a title associated with an emperor’s abdication to someone who had not reigned. The dispute continued and court officials received punishment in 1793. A separate disagreement concerned the shogun Ienari’s father, Hitotsubashi Harusada, and the honor of Ōgosho, associated with a retired shogun. Sadanobu’s opposition strained relations with people whose support had helped place him in office. Restrictive spending, discipline and declining support also contributed to the setting of his removal. In 1793 he lost the leading council and shogunal-assistant positions; Shirakawa lordship continued. [13][1][2][4]

    A lord’s later work, retirement and surviving records

    After leaving central office, Sadanobu continued ruling Shirakawa. He expanded its warrior school and supported schools teaching reading, writing and arithmetic to children of townspeople, including girls. In 1801 he created Nanko, a lake landscape intended for shared enjoyment that also supplied irrigation, paid work and training space. Scholars and artists helped compile Shūko Jisshu, an illustrated catalogue of old objects arranged in ten categories. He transferred lordship to his son Sadanaga in 1812 and lived in retirement at Edo. Essays, poems and autobiographical writing continued a lifelong learned activity. He died in 1829. His books and records preserve extensive information alongside the judgments of a former ruler. [3][1][2][14][15]

    Classic

    A Tokugawa grandson becomes a domain heir

    Matsudaira Sadanobu (1759–1829) was born in Edo, now Tokyo, to Tayasu Munetake, Yoshimune’s son. Yoshimune had ruled as shogun, the head of the Tokugawa warrior government. Munetake was a poet and scholar, and Sadanobu learned from the household scholar Ōtsuka Takasue. Early instruction introduced Chinese classics that discussed conduct, obligation and government. Sadanobu’s later writing in both Japanese and Chinese grew from this formation. [1][2]

    References describe an early work setting out standards for his own conduct, followed by political arguments, essays, poems and antiquarian studies over a long life. Study also included martial skills. The writings and training belonged to the preparation of a warrior-household member whose conduct could carry responsibilities for dependents and territory. Political texts included Kokuhonron, an account of principles for rule. [1][2]

    In 1774 Sadanobu entered Matsudaira Sadakuni’s house as adopted heir to Shirakawa, a domain in northeastern Japan, now Fukushima. The transfer supplied a route to domain rule while changing his place within the Tokugawa succession network. In his later recollection, the minister Tanuma Okitsugu’s influence helped divert him from possible shogunal succession. That account preserves the judgment of someone who later opposed Tanuma’s government. The secure institutional result was the adoption and, in 1783, inheritance of Shirakawa. He acquired a ruling position with immediate territorial obligations. [1][2][9]

    Shirakawa’s assessed holding was 110,000 koku, a conventional rice measure used to describe territorial resources. Such an assessment did not mean that the household held that amount as readily spendable grain. Crop failure, transport and purchasing arrangements determined what food could be obtained. As Sadakuni became ill and the Tenmei famine struck the domain, Sadanobu began directing relief before formal succession. The distinction matters: the first response was undertaken for the governing household he was about to inherit. [1][3]

    Getting food through a divided landscape

    Shirakawa’s famine response began while Sadakuni was ill. In 1783 food shortages reached the castle town, where attacks on property exposed distress. Sadanobu sought grain from the domain’s less affected holdings in Echigo, now Niigata. A domain’s territory could consist of separated pieces. That distribution offered access to a harvest elsewhere, but also made relief dependent on moving goods across land governed by another household. The existence of grain at a distant holding was the beginning of a solution. [3]

    Aizu lay between the supply territory and Shirakawa. Sadanobu negotiated its cooperation in transit and arranged purchases of rice and other grain. The response therefore used both territorial resources and outside exchange. Food procurement required agreements among governments and the capacity to buy and convey supplies. The case makes relief concrete: households in the distressed territory needed a delivery arrangement linking grain beyond their immediate reach to a place where it could be distributed. [3][1]

    Retainers persuaded Sadakuni to retire, and Sadanobu became lord in 1783. Immediate procurement was followed by an effort to restore the domain’s resources. Reduced household expenditure, grain reserves, encouragement of production and measures aimed at rebuilding population belonged to that work. Sadanobu’s administration prohibited infanticide, while later measures included allowances for raising children. Government treated surviving families and cultivated land as connected elements of territorial recovery. The objective was a domain capable of sustaining its people and its ruling household’s obligations. [1][2][3]

    The relief response became a major basis for Sadanobu’s reputation among other lords and for his later appointment in Edo.

    Did famine cause no deaths in Shirakawa?

    Shirakawa’s modern account transmits a tradition of no famine deaths, while also describing damage as substantially reduced compared with other domains.

    A literal zero requires evidence beyond the procurement narrative. [3]

    The attested response already explains why the reputation mattered: Sadanobu had faced shortage with purchases, negotiated transit and expenditure restraint. It provided a practical credential when central government confronted hunger and urban unrest. [3][1][2]

    Leading a council after a crisis of authority

    The shogun Ieharu’s death in 1786 ended the ruler’s support for the senior councillor Tanuma Okitsugu. Removing Tanuma did not end the famine or restore urban confidence. Attacks in Edo in 1787 exposed a continuing inability to keep food affordable and order secure. A new administration inherited those conditions. Sadanobu’s ancestry connected him to Yoshimune’s reputation, while the Shirakawa response gave practical substance to a claim that he could govern through shortage. Both helped make him a candidate for central responsibility. [1][2][4][3]

    Sadanobu became leading senior councillor in 1787. Major Tokugawa branches and Hitotsubashi Harusada, the new shogun Ienari’s father, supported the appointment. Rōjū were senior councillors within the warrior government; the leading position gave Sadanobu influence over its agenda and personnel. His appointment in 1788 as the shogun’s assistant added a direct responsibility for guiding a young ruler. Domain lordship, leading council office and shogunal assistance were related but distinct positions. [1][2][4]

    The governing group included Matsudaira Nobuakira, Honda Tadakazu and other hereditary Tokugawa-supporting lords. Sadanobu refreshed appointments and consulted both fellow councillors and senior dynastic households. Magistrates and subordinate officials supplied execution, while merchant capital and village administration furnished resources that Edo’s senior council did not itself possess. The arrangement could strengthen coordination without giving one minister direct control over every transaction or locality. Kansei reform was an administration working through existing institutions and new arrangements. [1][4]

    Sadanobu’s government coupled discipline with efforts to repair the conditions in which officials and subjects lived. Indebted retainers, weakened village households and insecure urban residents presented different problems, but each affected the governing order. Grain stores, lending schemes and relief institutions gave the reform program concrete means beyond exhortations to be frugal. They also required deciding whose needs came first and who would carry the cost. Those choices help explain both its durable institutions and the opposition encountered during Sadanobu’s years near power. [4][5][6][7]

    Rebuilding villages with grain, credit and restrictions

    Villages provided the agricultural production on which territorial governments depended. Famine could reduce population and leave fields without labor, weakening both household survival and future revenue. Sadanobu’s administration sought to restore recognized farming households and cultivated area. Food loans, agricultural assistance and repayment delays addressed material obstacles to beginning again. Provisions for children joined population recovery to economic rebuilding. Government’s concern for subsistence and its need to preserve a revenue base were closely connected. [4][16]

    One arrangement lent public funds through local officials to wealthy cultivators. The borrowers paid annual interest, which funded restoration of abandoned fields and assistance in raising children. The mechanism depended on households with money and productive capacity beyond their immediate needs. Public assistance thus depended partly on the income of wealthier rural households. Officials had to identify borrowers, collect the return and direct funds to the stated purposes. The program added an ongoing financial process to the command that villages recover. [4][16]

    Grain storage was another attempt to act before the next crisis. Reserves could provide supplies when harvests failed and prices rose. At the same time, the government encouraged impoverished migrants to return from Edo to their villages, offering travel and agricultural assistance, while restricting some movement and forms of production. Such measures assumed that restoring village residence and cultivation could reduce urban insecurity. The return program produced little result, illustrating the distance between administrative preference and the circumstances of people who had already left. [4][3][16]

    Did Kansei policy reject commerce?

    The administration sought to influence rice prices but lacked the funds to do so unaided. Selected major merchants became official suppliers, providing capital and commercial knowledge for market interventions. Takeuchi Makoto’s policy account emphasizes that this dependence continued features of the preceding government, even as Sadanobu opposed Tanuma’s political reputation.

    Supporting agriculture did not mean abandoning exchange. Rice-price intervention linked government objectives to capital and knowledge supplied by commercial households. [4][16]

    Canceling old debts without ending dependence on lenders

    Fudasashi handled the receipt and sale of stipend rice for warrior retainers employed by the Tokugawa house and lent against that income. Warriors with obligations in money could therefore depend on merchants for both conversion and credit. An accumulating debt reduced the income available for the household’s other needs. The reform government considered distressed officials a problem for discipline as well as subsistence, connecting retainer rescue to its wider effort to restore trustworthy administration. Debt relief targeted a particular financial relationship. [5][4]

    The 1789 measure canceled fudasashi claims arising in 1784 and earlier. For later existing obligations, it reduced interest and provided installment repayment; new borrowing had a different reduced rate. Those categories matter because the reform did not abolish every warrior debt or declare all future loans invalid. Its immediate benefit fell to retainers whose enforceable obligations were reduced. The cost fell on merchants whose expected principal or interest income disappeared through a government order. [5]

    Lenders responded by refusing new finance, worsening insecurity among households that still needed borrowing. Canceling an old claim could improve a balance without supplying money for the next purchase or payment. The government consequently provided assistance through a lending office for fudasashi. Major official merchants supplied much of its funds and administration. The rescue of retainers required a further arrangement to sustain the lenders on whom they continued to depend. [5][4]

    Kitahara Susumu’s account describes both the initial credit refusal and the later revival of fudasashi lending. The episode gives a specific limit to the reform’s power: government could change repayment obligations, but could not make household finance independent of commercial intermediaries by decree. Support to warriors and support to merchants became successive parts of the same response. [5][4]

    Making a city reserve—and deciding where people belong

    The shichibu tsumikin took its name from the seven-tenths share allocated to the city reserve. Government first collected information on neighborhood expenses and property income, then assessed which expenditure could be reduced. Seventy percent of the savings went to a common reserve; the calculation concerned expense reductions, not seventy percent of all urban income. Ordered in the traditional twelfth month of 1791, the arrangement supported a city institution operating from 1792. Compulsory accumulation provided resources beyond those of one neighborhood. [6][3]

    The machikaisho, or city office managing these funds and stores, worked under the supervision of finance and town magistrates. Merchant representatives, neighborhood heads and property administrators participated in its management. It held grain for emergencies, supplied regular assistance to especially vulnerable residents and lent money at low interest against property-related security. Such loans could preserve small owners whose property and tenants formed part of neighborhood administration. The institution joined relief to the maintenance of the city’s local governing arrangements. [6][4]

    The Ishikawajima workhouse addressed a different group: people without recognized household registration, including those displaced by distress. Hasegawa Heizō’s responsibilities included pursuing serious criminals, but the workhouse’s purpose included vocational training and prevention of crime among insecure residents. Sadanobu adopted the proposal, and the facility opened in 1790. Confinement and supervised work were part of the response. The possibility of learning a livelihood came within an institution that also sought to contain movement and restore order. [7][4]

    The city reserve’s grain distributions became especially consequential during the Tenpō famine of the 1830s and later periods of high prices and political crisis. Funds and stores survived into the government transition after 1868. These later results depended on continuing accumulation, management and decisions by later officials and city participants. They belong to the institutional legacy of Kansei reform rather than to Sadanobu’s personal actions at each later emergency. [6][7]

    Training officials and restricting the printed world

    Sadanobu’s 1790 instruction went to Hayashi Nobutaka, head of the household long responsible for Confucian teaching associated with the shogunate. The received text appealed to earlier shogunal confidence in Zhu Xi’s Confucian tradition, which joined Chinese classical study to moral cultivation and ordered obligations, and criticized the spread of rival teachings. It required discipline among pupils, consultation with appointed scholars and the cultivation of talent. This was a statement of the government’s preferred learning and conduct. Its own claims about declining orthodoxy were part of its justification for intervention. [8][10]

    The Hayashi school had faced declining influence while several other approaches to classical learning gained followers. Scholars outside Edo had already argued for Zhu Xi’s teaching as orthodox, helping create a setting for Sadanobu’s action. The modern scholar Ibi Takashi’s study places the order within an institutional reform involving inspection and the appointment of scholars from outside the Hayashi household. The pressure affected teachers and pupils: the study documents the expulsion of two leading school scholars following the order. Orthodoxy became an administrative requirement with personal consequences. [8][9]

    How far did the teaching restriction reach?

    The direct instruction regulated Hayashi teaching.

    It did not command every domain to prohibit every alternative school of thought. Nevertheless, the government’s preference influenced appointments elsewhere, while some domains continued using teachers associated with other approaches. [8][9]

    Examinations and the development of the academy at Shōheizaka extended the preparation of officials. Building and teaching arrangements continued in the later 1790s and around 1800, after Sadanobu’s removal. His intervention began a process whose subsequent development involved other ministers, scholars and patrons. [8][9]

    Publication review tightened during Kansei reform. The city’s account describes the 1790 order reinforcing review practices and the punishment in 1791 of Santō Kyōden and his publisher Tsutaya Jūzaburō. Government sought to control writings it judged to disturb conduct and authority, affecting the commercial production of fiction. Yet Sadanobu later commissioned work involving Kyōden and the artist Kitao Masayoshi. That subsequent collaboration complicates a portrait of personal hostility to every form of urban literature, while leaving the earlier punishment and its constraints intact. [3][4]

    A Russian approach and an unfinished opening

    The Russian envoy Adam Laxman’s arrival at Nemuro in 1792 joined the return of Japanese castaways to a Russian effort to pursue trade. He sought to take the request directly to Edo. The government refused that route, insisting on Nagasaki as the place for foreign approaches of this kind, and supplied an entry permit. Returning the castaways and discussing trade were related parts of the encounter, but their outcomes differed. The people came home; a trade agreement did not emerge from Laxman’s mission. [11][12]

    Controlled negotiation or a completely closed door?

    Iwasaki Naoko’s study interprets Sadanobu’s response as combining a declared rule against unauthorized approaches with room for talks at Nagasaki. The port already received Dutch and Chinese shipping and possessed stronger arrangements for handling foreign arrivals. Directing the Russian mission there could contain the approach without resolving every future question about trade. Laxman did not take up the permit.

    The encounter therefore established an uncompleted possibility within a controlled route, rather than immediate diplomatic relations or commercial exchange. [12][11]

    The arrival sharpened concerns about coastal preparedness. Sadanobu inspected parts of the Izu and Sagami coast, southwest of Edo, and considered defenses for the capital’s bay. Government also restricted unofficial discussion of external affairs: Hayashi Shihei was punished despite advocating stronger coastal defense in his writings. In the reform administration’s approach, useful security knowledge and permission to publish it remained separate matters. The council sought to hold authority over both foreign dealings and the domestic circulation of information about them. [1][4]

    Russian attacks on northern posts in the following decade created a different situation. Iwasaki’s account argues that Sadanobu then abandoned his earlier tolerance of a possible trade negotiation and advised stronger rejection, concerned with the government’s damaged authority. In 1810 Shirakawa and Aizu received coastal defense assignments, and Sadanobu’s domain constructed defenses on the Bōsō coast across Edo Bay. Security responsibilities continued after he had left the senior council. [12][1]

    When family honors strain a governing alliance

    Emperor Kōkaku’s father, Prince Sukehito, had never reigned. In 1789 the court sought permission to honor him as retired emperor. Sadanobu opposed a title whose ordinary meaning assumed previous occupancy of the throne. The issue concerned the relationship between kinship and the status carried by an imperial title, while also testing the warrior government’s authority in dealings with the court. Negotiations continued rather than ending with one refusal. [13]

    The shogun Ienari’s father was Hitotsubashi Harusada. Harusada had helped support Sadanobu’s appointment but had not himself been shogun. A plan to bring him into Edo Castle with the status of Ōgosho, associated with a retired shogun, raised another problem about honors grounded in office. Sadanobu opposed it. Takeuchi’s account suggests a possible connection between the two disputes through the precedent that honoring an imperial father might establish. [13][1][4]

    Court officials were summoned and punished in 1793 over the imperial title dispute. Sadanobu’s position in Edo also became increasingly difficult. His restrictions on spending and conduct met resentment among warriors and urban residents, while differences with the shogun and Harusada strained the alliance that had supported his ministry. References identify several factors in the setting of his removal. The title problem supplies a concrete political conflict, but does not alone establish every reason why Ienari and the council ceased to sustain him. [13][1][2][4]

    In 1793 Sadanobu lost the leading council and shogunal-assistant offices. Other councillors, including Matsudaira Nobuakira, remained and continued aspects of the reform direction. The city reserve also had an ongoing administration. Sadanobu retained Shirakawa and later received other government duties. The reversal ended his position at the center without immediately dissolving the institutions or governing practices associated with it. His own life now returned more fully to domain rule, where educational, demographic and cultural work supplied a different field of action. [1][2][4][6]

    A lord’s later work, retirement and surviving records

    Sadanobu’s later Shirakawa government expanded the Rikkyōkan school for retainers and supported schools for townspeople’s children. The city account specifies instruction in reading, writing and arithmetic and includes girls among the pupils. Population measures included assistance in raising children, arranged migration and marriage, and religious instruction against infanticide. Material aid and efforts to direct family conduct belonged to the same territorial concern. The continuation shows a ruler working on the domain’s capacity after losing his place at the center. [1][2][3]

    Nanko, created in 1801, was associated with an ideal of enjoyment shared by warriors and commoners. The lake also supplied irrigation for new cultivation. Construction paid distressed people for work, while the water offered a place for warrior swimming and boat training. These functions give the project a practical history alongside its scenery. It required land and labor, supplied income and water, and created a place for recreation within domain government. [3]

    Shūko Jisshu arranged old objects in ten categories, including inscriptions, weapons, musical instruments and paintings. Scholars, retainers and artists supplied investigations and copies; entries recorded location and measurements alongside images. The 1800 preface helps date the collection’s compilation, while references differ in describing its initial publication. It preserves information that later scholars can reassess, rather than making every recorded object’s identification secure. Sadanobu’s patronage joined his curiosity to the labor of people able to inspect and depict materials in many places. [14][3][15]

    Compilation and first publication

    Ishiyama Hiroshi uses the dated preface to infer completion around 1800 and lists later printed editions. Wada Atsumu instead describes publication in the first month of 1800.

    The distinction matters: evidence for a finished compilation does not, by itself, settle when that compilation first circulated in print. [14]

    In 1812 Sadanobu transferred lordship to his son Sadanaga and retired in Edo. He continued literary activity, including essays and poetry, alongside accounts of his own conduct and service. Uge no Hitokoto recounts his life through the central ministry’s end; the viewpoint belongs to a participant whose political fortunes changed. He died in 1829 and was buried at Reiganji in Edo, with remains later divided for burial at Shōgenji in Kuwana. The library, writings and institutions survived through different custodians. They preserve both a long working life and the evidence needed to judge its aims, achievements and costs. [1][2][15]

    Sources and notes

    1. 松平定信 · Takeuchi Makoto (竹内誠); Kōdansha reference editors
    2. 松平定信 — 世界大百科事典 · Takeuchi Makoto (竹内誠)
    3. 松平定信を知ろう · Shirakawa City
    4. 寛政改革 · Takeuchi Makoto (竹内誠)
    5. 棄捐令 · Kitahara Susumu (北原進)
    6. 七分積金 · Yoshida Nobuyuki (吉田伸之)
    7. 加役方人足寄場に付長谷川平蔵え御書付(落葉集) · National Archives of Japan
    8. 寛政異学の禁 · Takeuchi Makoto (竹内誠); Yamamoto Takeo (山本武夫)
    9. 寛政異学の禁と学制改革 —老中松平定信から大学頭林述斎へ— · Ibi Takashi (揖斐高)
    10. 学派維持ノ儀に付申達 · Matsudaira Sadanobu, received transcription
    11. 激動幕末 —Ⅰ.異国船来航 · National Archives of Japan
    12. 松平定信と「鎖国」 · Iwasaki Naoko (岩﨑奈緒子)
    13. 尊号一件 · Takeuchi Makoto (竹内誠)
    14. 集古十種 · Ishiyama Hiroshi (石山洋); Wada Atsumu (和田萃)
    15. 松平定信 —蔵書印の世界 · National Diet Library
    16. 幕藩体制下における寛政の改革 —松平定信と重農主義的経済政策— · Ofuchi Mitsuhiro (大淵三洋)

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