In addition, he started to become involved in government policies concerning the bakufu being the father of the shogun and gathered support from the Hojo clan and lower-ranking vassals in the Kamakura and Edo periods, who opposed the Tokuso family (of the Hojo clan).
また、幕府に対しても将軍の実父である事を理由にその政策への干渉を始め、北条氏得宗家に反発する北条一族や御家人達の支持を集めた。