However, since the eldest son, Kanichi, was disinherited, the second son, Atsushi, became head of the Sumitomo family, adopting the name Kichizaemon Tomonari to become the sixteenth-generation Kichizaemon.
しかしながら、長男の寛一は廃嫡となり、次男の厚が16代目吉左衛門友成として住友家を継いだ。