In 1201, according to "Azuma Kagami" (literally, Mirror of the East, relating the history of Kamakura shogunate), Hangaku's nephew Sukemori JO (Sukenaga's son) raised his army in Echigo Province (the Kennin Uprising).
『吾妻鏡』の建仁元年（1201年）には、越後国において坂額の甥に当たる城資盛（資永の子）の挙兵が見える（建仁の乱）。