 He became a guard commander for Li Baochen, and Li Baochen gave him a daughter in marriage.Wang Shizhen carefully cultivated his relationships with Li Baochen's close associates.Late in Li Baochen's life, he wanted to pass his position to his son Li Weiyue, but feared that Li Weiyue was weak in personality and could not control the officers, and therefore began killing the more capable officers.