His descendants branched off in the Chichibu clan (Kawagoe clan and Hatakeyama clan [Taira clan]), the Boso Taira clan (Kazusa clan and Chiba clan), and the Nakamura clan (Sagami Province) (Dohi clan and Tsuchiya clan), and they formed armed groups in the Kanto region, extending their influence.
子孫は秩父氏（河越氏、畠山氏(平姓)）、房総平氏（上総氏、千葉氏）、中村氏(相模国)（土肥氏、土屋氏）などに分かれ、関東地方における武士団を形成し勢力を伸ばした。