He then gave Kamakura dono (lord of Kamakura, the shogun) exclusive rights to confer court ranks to the members of the Minamoto clan families and their gokenin (immediate vassal of the shogunate in the Kamakura and Muromachi through Edo periods) members and to appoint them to government posts.
そして、源氏一門、御家人の叙位任官を鎌倉殿の独占権とした。