His wife was a daughter of Sadatane SOMA and the couple had four sons, Moritane, Masatsugu, Shigetomo, and Shigeyuki, and four daughters who became the wives of Akichika NIKAIDO, Kagesuke NAGAE, Masahira HACHIYA, and Takahiro TAKEISHI, respectively.
相馬定胤の女を妻とし、息子に国分盛胤、政継、重朝、重行の4人がおり、娘は4人いてそれぞれ二階堂顕親、長江景資、蜂屋正衡、武石高広の妻になった。