Emperor Ai of Tang
Li Zuo was born in 892, at the main palace at the Tang imperial capital Chang'an. His father Emperor Zhaozong was already emperor at that point, and he was Emperor Zhaozong's ninth son. His mother was Consort He, who had previously given birth to an older brother of his, Li Yu, Prince of De, who was Emperor Zhaozong's oldest son.
Cheng Rui
Cheng Rui (成汭) (d. June 10, 903), adoptive name Guo Yu (郭禹) (used until ~888), formally the Prince of Shanggu (上谷王), was a warlord late in the Chinese dynasty Tang dynasty who ruled Jingnan Circuit (荊南, headquartered in modern Jingzhou, Hubei) from 888 to 903, when he was defeated in battle and committed suicide. He was known to be a capable administrator who had a reputation for treating his people well.