《魏书·帝纪·卷九》
初十，太保、高阳王元雍进位太傅、领太尉，司空、清河王元怿为司徒，骠骑大将军、广平王元怀为司空。
癸未，太保、高阳王雍进位太傅、领太尉，司空、清河王怿为司徒，骠骑大将军、广平王怀为司空。
On the 10th, Taibao, King Yuan Yong of Gaoyang, advanced to Taifu, and Taibao, King Yuan Yi of Qinghe, became Situ, and General of the Hussars, King Yuan Huai of Guangping, became Sikong.