《魏书·列传·卷二十二》
正平初年，东宫臣僚被依法处死，世祖因鲁元的缘故，衹杀卢内而优厚地抚恤他的兄弟。
正平初，宫臣伏诛，世祖以鲁元故，唯杀内而厚抚其兄弟。
In the early years of Zhengping, the ministers of the East Palace were executed according to the law. Emperor Shizu, because of Lu Yuan, only killed Lune and generously consoled his brothers.