In the 45th year of Qing Emperor Kangxi (A.D. 1706), Cao's family married Aisinggiorro Nersu. This marriage was personally proposed by Emperor Kangxi, who gave him Cao's family name.
Cao Jiashi later gave birth to four sons for the king of Aisingiorro Naersu County: the eldest son, Aisingiorro Fu Peng, the king of Duoluopingmin County, was born on June 26th of the seventh year of Qing Emperor Kangxi (A.D. 1708); Ai Xin Qiao Luo Fuxiu, the fourth son of Gu Shan Bei Zi, was born on July 26th in the forty-ninth year of Qing Emperor Kangxi (A.D. 17 10). Aisingiorro Fu Jeer, the sixth son, a third-class bodyguard, was born on September 20th of the lunar calendar in the fifty-fourth year of Emperor Kangxi of Qing Dynasty (A.D. 17 15). The seventh son, Aisingiorro Fuduan, was born in July of the lunar calendar 17 17 in the fifty-sixth year of Qing Emperor Kangxi. Aisingiorro Narsu had only seven sons, but Cao Jiashi gave birth to four, so it is conceivable that Cao Jiashi's position in Aisingiorro Narsu's mind.