In 1821, he became the adopted heir of Kagetoshi UTSUKI, and took over the family of Rokunojo UTSUGI with 350 koku (an old unit showing volume [1 koku is about 180 liter]).
文政4年（1821年）宇津木景俊の養嗣子となり、350石の宇津木六之丞家を継ぐ。