《汉书·传·外戚传上》
元帝即位后，又封许延寿的中子许嘉为平恩侯，承嗣戴侯之后，也做了大司马车骑将军。
元帝即位，复封延寿中子嘉为平恩侯，奉戴侯后，亦为大司马、车骑将军。
After Emperor Yuan ascended to the throne, he named Xu Yanshou's middle son Xu Jia as Ping’en Marquis, who inherited the title of Daihou and also became the Great Sima Chariot Rider General.