《魏书·列传·卷二十四》
灵太后重新执政，把孝怡作为元叉的同党，取消原有的身份而成为平民。
灵太后反政，以孝怡叉党，除名为民。
When the empress dowager Ling re-assumed power, she treated Xiaoyi as Yuan Cha's accomplice, deprived him of his original status and reduced him to a commoner.