Yuan Hao
In 529, the Northern Wei prince Yuan Hao, under support from Liang Dynasty, attacked Emperor Xiaozhuang and seized the capital Luoyang, declaring himself emperor. Emperor Xiaozhuang fled north of the Yellow River, and Erzhu advanced south to aid him, sending Heba Yue, who was then serving under Erzhu, to lead his forward troops. Heba made Yuwen Tai his assistant, and later on, after Erzhu defeated Yuan Hao, allowing Emperor Xiaozhuang to return to Luoyang, Yuwen was created the Viscount of Ningdu.