He served as Shugo (Military Governor) of Tango Province but, as part of disturbances affecting the whole country, he was attacked by the Takeda clan of Wakasa Province and also suffered from Gekokujo (the revolt of vassals against their lords) of the family of Shugodai (deputy Governor), the Nobunaga clan.
丹後国の守護を務めたが、若狭国武田氏の介入や守護代延永氏の下克上にあい国内は混乱した。