Jia Zheng (賈政) is the father of the main character Baoyu's father, the younger son of the Dowager. He is a disciplinarian and Confucian scholar. Afraid his one surviving heir will turn bad, he imposes strict rules on his son, and uses occasional corporal punishment. He has a wife, Lady Wang, and two concubines: Zhao and Zhou.

He is a Confucian scholar who tries to be an upright and decent person. He is out of touch with reality and is a hands-off person at home and in court.