Yao Xing (姚興) (366-416), courtesy name Zilue (子略), formally Emperor Wenhuan of (Later) Qin ((後)秦文桓帝), was an emperor of the Chinese/Qiang state Later Qin. He was the son of the founding emperor Yao Chang (Emperor Wucheng). For most of his reign, he did not use the title of emperor, but used the title Heavenly Prince ("Tian Wang"). Wikipedia
The definitive Wikipedia entry for Yao Xing. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Yao_Xing