Emperor Gaozu of Tang, personal name Li Yuan, courtesy name Shude, Xianbei name Daye Yuan, was the founding emperor of the Tang dynasty of China, reigning from 618 to 626 CE. Under the Sui dynasty, Li

Xiao Yu, courtesy name Shiwen, posthumously known as Duke Zhenbian of Song, was an imperial prince of the Western Liang dynasty who later became an official under the Sui and Tang dynasties. He served