When he was 30 years old, he was accepted by Sadanobu MATSUDAIRA, who was a son of Munetake TAYASU and became an adopted child of Sadakuni MATSUDAIRA, the lord of the Shirakawa Domain, and then he became his Kinju (attendant) and served Sadanobu until he retired in 1812.
30歳のとき田安宗武の子で白河藩主松平定邦の養子となった松平定信に認められ、その近習となり定信が隠居する文化(元号)9年（1812年）まで定信付として仕えた。