His father Nobuyasu was exiled to Kai Province as sarugaku-shi and served as the personal sarugaku-shi of Shingen TAKEDA, rumored at that time to be the strongest territorial lord in the Sengoku period.
父の信安は猿楽師として甲斐国に流れ、そこで当時、最強の戦国大名と謳われていた武田信玄お抱えの猿楽師として仕えるようになった。