Zheng Zhuang Gong Ji, surnamed Ji Sheng (757-701 BC), was the monarch of Zheng in the Spring and Autumn period of China. According to the chronology of the Twelve princes in Historical Records, he was born in the 14th year of Zheng Wugong (757 BC).
Zheng Zhuanggong inherited his father Zheng Wugong as the Qing scholar of King Zhou Ping. Later, King Zhou Ping trusted him, and the relationship between Zheng Zhuanggong and the Zhou Dynasty began to deteriorate.
During the reign of Zheng Zhuanggong, the state of Zheng was strong and powerful, and there were many wars, including the rebellion launched by Gong Shu Duan, the younger brother of Zhuang Gong, the annexation of the State of Dai and the defeat of King Huan of Zhou who led the allied forces such as Chen, Cai and Xili.
The Battle of GE.
In particular, the latter established the “small hegemony” of the State of Zheng and confirmed the weakness of the authority of the Eastern Zhou Dynasty.
Zheng Zhuanggong doted on his sons, and with the intervention of the State of Song and Qi, there was civil strife in the State of Zheng for 20 years after his death.
Zheng Zhuang had four sons who successively became monarchs, namely, Prince Hu (Zheng Zhaogong), Prince Tu (Zheng Li Gong), Prince Kui and Prince Ying (Zi Yi). Finally, Zi Yi was killed and Zheng Li Gong was reinstated, and Zheng Guojun was succeeded by the descendants of Zheng Li Gong.