Although he is a branch of Jiafu, his family background is still closely related to Jiafu. Gary's father died young and his mother died, so he was raised by his grandfather Jia Dairu. In the novel A Dream of Red Mansions, the image of Jia Rui is a greedy person with bad conduct. He used his position in a private school to blackmail students and even helped Xue Pan to seek benefits. At Jia Fu's birthday party, he met Wang Xifeng and had wild thoughts about her. Wang Xifeng used Gary's desire to design a series of traps, which eventually led to Gary's death.