In 1221 when the Jokyu War broke out, he was in command of the troops to support the Imperial court in Kyoto, and was deployed in the Imoarai area for defense with his brother Soncho.
承久3年（1221年）の承久の乱においては京方の軍勢を率いて、兄弟の尊長とともに芋洗方面の守備に就く。