The form of Kanto Gobunkoku in the Kamakura period was that the family/clan members or the retainers of the Kamakura bakufu were recommended to the Imperial Court for nomination as provincial officials, in order to rule the provinces as the officials of Kokugaryo (Imperial province) and properly earn revenue from the province.
鎌倉時代の関東御分国は、将軍家が知行国主として支配し、一族や御家人を朝廷に推挙して国司に任じ、国衙領（公領）を支配するとともに、国衙領からの収入を得た。