In April, 1284, Yasumori entered into priesthood with the regent Tokimune HOJO's death, so at that time, Munekage was considered to have inherited the family, and he also took over the position of the chief of Hikitsukeshu which Yasumori served for years.
弘安7年（1284年）4月に執権北条時宗の死去に伴って泰盛が出家しているので、この時に宗景が家督を継承したと見られ、泰盛が長年務めた五番引付衆頭人も引き継いでいる。