When the Aizu Domain and the Kuwana Domain formed an alliance with the Satsuma Domain, he became Kyoto shoshidai (The Kyoto deputy) and government affairs in Kyoto were left to his discretion.
会津藩・桑名藩と薩摩藩が同盟を結んだ頃から京都所司代となり、京都の政務を一任されていた。