Against the Retired Emperor Gotoba and kyogata (the supporters of the Imperial Court) that raised an army, Koreyoshi's son Korenobu, who succeeded to the positions of Shugo in six provinces after his father's death, hastened to Retired Emperor Gotoba and joined the army of kyogata to fight against the forces of Kamakura bakufu.
後鳥羽院ら京方の挙兵に対し、惟義の死後に近畿6国守護職を受け継いでいた子の惟信は、後鳥羽院の下へはせ参じ、京方として鎌倉幕府軍と戦う。