Fusazane DATE, a member of the branch Date clan, served the Gohojo clan as an acting lord of the Iwatsuki Castle during the Invasion of Odawara by Hideyoshi, and his descendants were later known as the Date clan of hatamoto (direct retainers of the bakufu).
尚、秀吉の小田原攻めの頃、後北条氏の家臣に岩付城代として分流の伊達房実がおり、この子孫が旗本の伊達氏である。