《北史·列传·卷三十六》
建义初年，北海王元颢投奔南梁，梁封他为魏王，援助他兵马。
建义初，北海王元颢南奔梁，梁立为魏主，资以兵将。
At the beginning of Jianyi, Prince Beihai Yuan Hao took refuge in Southern Liang, and Liang sealed him as King of Wei and sent him soldiers and horses.