Xin Pi
Xin Pi and his elder brother Xin Ping served as advisers to the warlord Yuan Shao, who controlled much of northern China from 191 to 202. When the warlord Cao Cao, who was also Yuan Shao's rival, held the position of Minister of Works () in the Han central government between 196 and 208, he invited Xin Pi to serve in his administration but Xin Pi refused.