Yelü Bei (born 899 - January 7, 937, also known as Yelü Tuyu,posthumously honored Emperor Wenxian Qinyi ) with the temple name Yizong,formally known as Ren Huangwang ("imperial king of men") during his lifetime (including his period as the King of Dongdan), known as Dongdan Muhua (931) and then Li Zanhua (931-937) as a Later Tang Dynasty subject,is the eldest son of Emperor Taizu of Liao, the founder of the Liao Dynasty.
He was declared successor to the Emperor Taizu in 916, but never succeeds to the throne.
Rather, after the accession of his younger brother Yelü Deguang (Emperor Taizong), he flees to the Shatuo Later Tang Dynasty, where he is killed in 937.