However, Yoritomo's death and the succession to the office of a shogun by MINAMOTO no Yoriie (Zenjo's nephew) in 1199 resulted in Zenjo being allied with Tokimasa HOJO (Zenjo's father-in-law) and Yoshitoki HOJO (Zenjo's brother-in-law) who supported MINAMOTO no Sanetomo and came to be opposed to Yoriie's followers.
しかし正治元年（1199年）に頼朝が死去し、甥の源頼家が将軍職を継ぐと、全成は源実朝を擁する舅の北条時政と義兄弟の北条義時と結び、頼家一派と対立するようになる。