《三国志·魏书·董二袁刘传》
袁尚仍然持续进攻，袁谭只好派部下辛评的弟弟辛毗到太祖曹操那里请求援兵。
尚攻之急，谭遣辛毗诣太祖请救。
Yuan Shang continued to attack, so Yuan Tan sent Xin Pi, the younger brother of his subordinate Xin Ping, to the Founding Emperor, Cao Cao, to request reinforcements.