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.
Li Sijian
Li Sijian (李思諫) (d. 908), probably né Tuoba Sijian (拓拔思諫), was an ethnically-Dangxiang warlord in the latter years of Chinese Tang Dynasty and Tang's successor state Later Liang of the Five Dynasties and Ten Kingdoms Period, who controlled Dingnan Circuit (定難, headquartered in modern Yulin, Shaanxi) as its military governor ("Jiedushi") in "de facto" independence.