Yu of Cheng first ruler of Cheng, a feudal state of Western Zhou dynasty Parents Tai Si King Wen of Zhou Children Siblings Marquess of Feng Royal Uncle of Wey–Kang Xian of Guan Gao, Duke of Bi King Wu of Zhou Du of Cai Count of Xun Bo Yikao Chu of Huo Zhenduo of Cao Zai of Dan Count of Yong Zheng of Mao Xiu of Teng Count of Yuan Dan of Zhou Royal Uncle of Gao Nangong Kuo