Although Masanobu lived until age 97, it isn't clear what work he produced during the last 30 years, and it seems he had his heir Motonobu assume the work of painting as he went into retirement.
正信は97歳の長寿を保ったが、晩年の約30年間の事績は明らかでなく、嫡男の元信に画業を継がせて引退生活を送っていた模様である。