Guan Xing + Zhang Bao – Romance of the Three Kingdoms

Guan Xing, courtesy name Anguo, was an official of the state of Shu Han in the Three Kingdoms period of China. Wikipedia

Zhang Bao was the eldest son of Zhang Fei, a general who served the warlord Liu Bei during the late Eastern Han dynasty and the state of Shu Han during the Three Kingdoms period of China. Wikipedia