馬騰
In 200, Dong Cheng, an imperial relative, received a secret edict from Emperor Xian to assassinate Cao Cao. He collaborated with Liu Bei and some other high ranking officials on this effort, but Cao Cao soon found out about the plot and had Dong Cheng and his conspirators executed, with only Liu Bei and Governor of Liang Province Ma Teng surviving. With Liu Bei fleeing to join Yuan Shao in the north and Ma Teng returning to his own province.