Moreover, the former viscount Tadakazu TORI, who was the elder brother of Tadateru--a husband of the elder sister of the head of family Kichizaemon--married Hiroko, who was the eldest daughter of Hachiro-jiro, the eighth-generation Mitsui-Minami Family.
また当主吉左衛門の姉婿忠輝の兄の旧子爵鳥居忠一も三井・南家八代八郎次郎の長女寛子を娶っている。