Zheng Keshuang
Zheng Keshuang, Prince of Yanping (; 13 August 1670 – 22 September 1707), courtesy name Shihong, art name Huitang, was the third and last ruler of the Kingdom of Tungning in Taiwan in the 17th century. He was the second son of Zheng Jing and a grandson of Koxinga (Zheng Chenggong). After surrendering to the Qing dynasty in 1683, he was ennobled as Duke of Hanjun (漢軍公), and lived the rest of his life in Beijing. Biography Zheng Keshuang was born in of the Kingdom of Tungning in Taiwan; the administrative centre of Chengtian Prefecture was at Fort Provintia. His father was Zheng Jing, the king of Tungning and the eldest son of Koxinga (Zheng Chenggong), the founder of Tungning. His biological mother was Lady Huang (黃氏), Zheng Jing's concubine. When Zheng Jing was leading a campaign against the Manchu-led Qing dynasty in China in the late 1670s, he designated his elder son, Zheng Kezang, as his heir apparent and put him in charge of Tungning's internal affairs. At the same time, he also arranged marriages between his two sons and the daughters of two of his most trusted officials: Zheng Kezang married the daughter of Chen Yonghua, while Zheng