Chapter 106
— Suffering Defeat, Gongsun Yuan Meets His Death; Pretending Illness, Sima Yi Deceives Cao Shuang.
Gongsun Yuan's son and Heir Apparent, offered to Sima Yi as a hostage in the second embassy and refused ('a hostage would be useless'). Rides out of the south gate with his father in the dead of night among the thousand chosen horse, and is cut down beside him three miles from the wall.