Yoshimitsu is believed to be the first person who lived in Kai province, and it has been passed down orally that Wakamiko Castle located in Wakamiko, Sutama-cho, Hokuto City, Yamanashi Prefecture was Yoshimitsu's residence.
義光は初めて甲斐へ着任し土着した人物とも言われ、山梨県北杜市須玉町若神子の若神子城は義光の在所であったとする伝承がある。