C42 First-round terms of the peace talks

In the third month of the year of Kang Xi, when both the Qing Dynasty and the mutinous Sanfan were exhausted of their financial resources, Emperor Kang Xi decided to negotiate with the Zheng's family. At that time, Prince Kang was in Fujian and Kang Qinghou promised Zheng Jing that if Zheng Jun left the islands on the mainland and retreated to Taiwan