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 Hanjun, and lived the rest of his life in Beijing.