Zhang Chengye

Zhang Chengye (Chinese: 張承業) (846^[1] – November 23, 922^[2][3]), né Kang (康), courtesy name Jiyuan (繼元), posthumous name Zhengxian (正憲), was a Chinese government official and eunuch. He originally served the Tang dynasty, but later became an important advisor to Former Jin princes Li Keyong and his successor Li Cunxu, who would later establish the Later Tang dynasty.