Hong Yong and Linxi's Historical Prototype

Yong Zhengdi, adopted daughter of Sejong in Qing Dynasty, Princess Heshuo and Hui.

According to Baidu Encyclopedia, the historical prototype of Hong Yong and lin xi is the adopted daughter of Yong Zhengdi, Sejong of Qing Dynasty, Heshuo and Princess Hui. Princess Heshuo and Hui is the daughter of Prince Aisingiorro, the thirteenth son of Emperor Kangxi Aisingiorro Michelle Ye, and her biological mother is Zhao Jiashi. Yong Zhengdi married her to Yin Xi, the king of Shen Jun county, and made her the princess of the county. In the forty-ninth year of Qianlong, Yong Zhengdi adopted a daughter in the palace and made her a county magistrate. In the fifty years of Qianlong, Princess He Hui died. Qianlong followed the example of Princess Heshuo and sent a prince to the palace in Dai Xiao, so that Princess He Hui's son Hongming could inherit his grandfather's Beizi grade.