佛祖歷代通載 3.43

3.43

（乙未）　鄭桓公友（厲王少子。宣王之弟。初封鄭。今華陰縣。後徙滎陽。今新鄭是。至幽公弟君乙為君。自桓下。武莊厲昭亹嬰厲穆靈襄悼成釐簡定獻聲哀共濡君乙。凡二十三君。二百八十一年）。

(Yiwei) Duke Huan of Zheng, You. (Youngest son of King Li and younger brother of King Xuan. He was originally enfiefed in Zheng, modern Huayin county; later he moved to Xingyang, which is modern Xinzheng. Down to Lord Yi, younger brother of Duke You, who became ruler—from Duke Huan downward: Wu, Zhuang, Li, Zhao, Wei, Ying, Li, Mu, Ling, Xiang, Dao, Cheng, Xi, Jian, Ding, Xian, Sheng, Ai, Gong, Ru, and Lord Yi—in total twenty-three rulers, spanning 281 years.)