《魏书·列传·卷四十四》
郑羲，字幼駘，荥阳开封人，曹魏将作大臣郑浑的八世孙。曾祖郑豁，慕容垂政权的太常卿。
郑羲崔辩郑羲，字幼驎，荥阳开封人，魏将作大匠浑之八世孙也。曾祖豁，慕容垂太常卿。
Zheng Xi, who styled himself as Youyu, was a native of Kaifeng in Xingyang, and the eighth-great-grandson of Zheng Hun, the Minister of Construction of Cao Wei. His great-grandfather, Zheng Huo, was Minister in charge of Religious Ceremonies of the Murong Chui Regime.