Gu Jiao's father, who holds the position of Grand Minister Zuo. He attended a palace banquet in the tenth year of the Zhaoyuan era with Gu Jiao, where she first saw Jun Heng. He explained to Gu Jiao about Jun Heng's background — that he was the late emperor's seventh son who became crown prince after his six elder brothers died, and that he has suffered from a chronic cold since childhood.