Furthermore, his youngest brother, Takemaro SUEHIRO, took over as the head of the SUEHIRO Family on his mother's side, and he later served as an organizer and a board member at Kyoto Hosei School, an evening law school (now Ritsumeikan University).
そして、末弟の末弘威麿は母方の末弘家を継ぎ、後に京都法政学校（現在の立命館大学）の幹事・理事などを務めている。