Hōjō Yasutoki

Hōjō Yasutoki (1183–1242), third Hōjō shikken, was Yoshitoki's eldest son. In 1221 he commanded the bakufu army that won the Jōkyū War, forcing the Uji River and taking Kyoto.

He succeeded as shikken in 1224 and set up the Hyōjōshū council. In 1232 he enacted the Goseibai Shikimoku, Japan's first warrior law code. In 1242 he forced through Emperor Go-Saga's enthronement and died later that year.