"Zheng" surname, taking the country name as the surname, according to Tongzhi? \, Zhou Xuanwang static enfeoffment its mother and brother as Zhengzhou (now hua county East, Shaanxi Province) as Zheng Huangong. After Huan Gong, Zheng Wugong moved the capital to Xinzheng, which was in the Spring and Autumn Period? Country. It was later destroyed by South Korea. His adherents are scattered in Huaiyang and Shangqiu, taking the original country name "Zheng" as their surname.