 He was adopted as posthumous heir to the childless Naosato on the latter's death in 1784 and was presented in formal audience to Shōgun Tokugawa Ieharu the same year.In 1789 he was appointed "Osaka kaban", and in 1792 he was appointed "Ōbangashira" and castellan of Nijō Castle.He resigned his offices in 1803 citing illness; however, in 1804 he was appointed a "Sōshaban".