In the latter half of the Kamakura period, control by Usa-jingu Shrine was relaxed and the area temporarily came into the possession of Kanto region gokenin (immediate vassals of the shogunate) such as the Odawara clan.
鎌倉時代後期になると、宇佐神宮による支配が緩み、一時は小田原氏などの関東の御家人が領有するところとなった。