Kamakura Kubo was discontinued for a while due to the Eikyo War, but was soon restored; after the fifth Kamakura Kubo, Shigeuji ASHIKAGA, fled to Koga, he came to be referred to as "Koga Kubo."
永享の乱で一旦滅びるが復活し、5代目の足利成氏が古河に移って古河公方を名乗る。