《魏书·列传·卷十五》
肃宗时，河州羌却望迪反叛，命令乏因为兼黄门，去晓谕却铁忽。
肃宗时，河州羌却铁忽反，敕兼黄门，慰喻忽。
During Emperor Suzong's reign, Que Wangdi, a Qiang from Hezhou, rebelled, and Fawei was ordered to concurrently serve as the Imperial Attendant to enlighten Que Tiehu.