《三国志·魏书·武帝纪》
太祖二十岁时，被推举为孝廉，做了郎官，后又任洛阳北部尉，升任为顿丘县令，又被召入朝廷做议郎。
年二十，举孝廉为郎，除洛阳北部尉，迁顿丘令，征拜议郎。
When the Ancestor was twenty years old, he was elected for his filial piety and integrity, and became a Lang officer. He was then appointed the Northern commandant of Luoyang, and was later promoted to the Magistrate of Dunqiu County. He was then summoned to the court to become a consulting officer.