Kanamori Joins Ieyasu and Retains Hida

The Kanamori held Hida through Hideyoshi’s grant after their 1585 conquest. By 1600 they were building Takayama Castle and its town. Joining Ieyasu therefore carried an existing provincial government and household into the eastern coalition, rather than creating their position from nothing.

Nagachika and his adopted son Yoshishige served on Ieyasu’s side during the Sekigahara campaign. Eastern victory preserved their Hida holdings and brought additional territory in Mino and elsewhere. Kōzuchi, now in Mino City, became a second base associated with the reward.

Nagachika later made his residence at Ogura Castle near Kōzuchi and entrusted Takayama to Yoshishige. The enlarged holdings and division of bases followed the settlement and subsequent household succession. Retainers and the people of the assigned districts came under these continuing or newly installed administrations. The result secured Kanamori lordship under the victorious Tokugawa, while their earlier conquest and construction remained foundations of their Hida position.