When MINAMOTO no Sanetomo was assassinated in 1219, he went to Kyoto and brought Mitora (FUJIWARA no Yoritsune), who later became Sekke shogun (Fourth and Fifth Kamakura shogun), back to Kamakura.
建保7年（1219年）、源実朝が暗殺されると上洛して、摂家将軍となる三寅（藤原頼経）を連れて鎌倉へ帰還。