Due to his early death, his younger brothers, Ujihisa SHIMAZU and Morohisa SHIMAZU, fought over the division of Shugo's (a provincial military governor) territory, and the Shimazu clan split into two families: the Oshu family (Shimazu clan) and the Soshu family (Shimazu clan).
その早すぎる死に伴い、弟の島津氏久・島津師久が守護国の分与を巡って争い、島津氏は奥州家(島津氏)と総州家(島津氏)の2家に分裂した。