Who is the princess in the strange son-in-law?

Zhu Yuanyuan. According to the inquiry story, the princess is Zhu Yuanyuan. This drama mainly tells the story of Pang Zhenkun and his classmates Wu Xueli and Xu Zhineng going to Beijing to catch the exam. On the way to catch the exam, dangers abound. The prodigal Xu Zhineng got in the way because of jealousy, and the evil magistrate became angry and chased thousands of miles away.