His children were Tadatsugu SHIMAZU, who became the founder of the Yamada clan (a branch line of the Shimazu family), and Tadatsune SHIMAZU, whose children became the founders of the Machida clan and the Ijuin clan, besides the legitimate son, Hisatsune SHIMAZU.
子に嫡男島津久経の他、山田氏(島津庶流)の祖となる島津忠継、子が町田氏、伊集院氏の祖となる島津忠経がある。