Imperial Prince Munetaka, the prince of Emperor Gosaga, was accepted as shogun after Yoritsugu in 1252 and since then miyashoguns (shoguns from the Imperial court) assumed positions in the Kamakura bakufu.
頼嗣の後の将軍は後嵯峨天皇の皇子である宗尊親王が1252年に迎えられ、鎌倉幕府は宮将軍が就くことになる。