After Yoshitomo lost, Shigekuni had Hideyoshi SASAKI, who lost his feud and was about to flee to Mutsu Province, and his sons remain at Shibuya-sho, supported them and had Hideyoshi marry his daughter.
義朝が敗れたのち、所領を失って陸奥国へ逃れようとした佐々木秀義とその子らを渋谷荘に引き留めて援助し、秀義を婿に迎えている。