Cheng Fei (?--1740) Dai Jia, a Manchurian Yellow Banner, the daughter of treasurer Zhuo Qi, one of the concubines of the Kangxi Emperor. Dai Jia first served the Holy Ancestor as a concubine. In the 19th year of Kangxi, she gave birth to the seventh son of the emperor, Prince Chun Yinyou. In December of the 57th year of Kangxi, she was named Cheng Fei. She died on October 30th in the fifth year of Qianlong's reign, and on March 2nd in the sixth year of Qianlong's sixth year. On the 14th day of the year, she was granted the title of "Feng'an". She gave birth to the seventh son of the emperor, Yinyou, who was born with a disability. In the 37th year of Kangxi's reign, he was granted the title of Baylor, and in March of the 48th year of the reign of Emperor Kangxi, he became the Prince of Chun County of Jin.