Since the Kamakura period, its name was listed among the vassals and seemed to have such a strong relationship with the shogunate that the daughter of the first-generation Shigenaga became a wife of the second shogun of the Kamakura bakufu (Japanese feudal government headed by a shogun), MINAMOTO no Yoriie, who had a child called Kugyo with her.
鎌倉時代以降は御家人に列し、初代・重長の娘が鎌倉幕府2代征夷大将軍源頼家の室となり公暁を儲けるなど幕府との強固な繋がりを有したことが想定される。