 She was a daughter of the Chiliantoubingdoufa Khan of Rouran, Yujiulü Anagui (郁久閭阿那瓌).In 538, with Western Wei fighting constant wars with Eastern Wei and suffering from Rouran invasions, Yuwen Tai, the paramount general of Western Wei, requested Emperor Wen to depose his wife Empress Yifu and marry a daughter of Rouran's khan.Emperor Wen was forced to agree, and he sent Yuan Fu (元孚) the Prince of Fufeng to Rouran to invite her to be his empress.