The younger brother of Kinmochi SAIONJI closest in age to him, Takamaro, married into the Sumitomo Family, and he took over Sumitomo Zaibatsu and succeeded Kichizaemon SUMITOMO the fifteenth (Tomoito SUMITOMO), and he reigned the financial world for a long time.
すぐ下の弟の隆麿は住友家の入り婿となり、住友財閥を継いで第15代住友吉左衛門（住友友純）を襲名し、長く財界に君臨した。