It is told that, in Kyoto, he changed his name to Yumu OIWA [大岩祐夢 正しい読み不明] and lived on remittances from his former vassals and there is a record that he earned a living as a teacher of terakoya (a private elementary school during the Edo period).
京都では大岩祐夢と名前を変え、旧臣らの仕送りで暮らしていたといわれるが、寺子屋の師匠をして身を立てていたとの記録もある。