The prototype is Mrs. Wang, the wife of Cao Xueqin, a writer in Qing Dynasty. When Cao Xueqin wrote A Dream of Red Mansions, he probably took Wang's wife as the prototype to describe his personality characteristics and experiences.
The prototype of Jia Yuanchun may be Cao Jiafu, king of Nieluping County, entering the family. Cao Jiashi is Cao Yin's daughter, and her status is similar to that of Jia Yuanchun. They were both prominent members of the royal family.
Nian Shi (Nian Gengyao's sister), the imperial concubine of Dunsu in Yongzheng period, may be the prototype of Jia Yuanchun. They have many similarities in fate and status, for example, they are both emperors' concubines and enjoy a high position in the court.