《魏书·列传·卷九》
等到庄帝即位，追尊为文穆皇帝，妃子李氏为文穆皇后，迁移牌位到太庙，庙号为肃祖。
及庄帝即位，追号文穆皇帝，妃李氏为文穆皇后，迁神主于太庙。称肃祖。
When Emperor Zhuang ascended the throne, he posthumously honored him with title Emperor Wen Mu, his consort Lady Li as Empress Wen Mu, moved the tablets to the family temple, and honored him with the temple name Su Zu.