Zheng Keshuang
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 , while Zheng Keshuang married the daughter of Feng Xifan.