《汉书·传·佞幸传》
当初，许皇后因为笃信巫术而犯罪，被废掉皇后之位，打入长定宫，这时许皇后的姐姐许蠊是龙额思侯的夫人，龙额思侯已死，正寡居在家。
初，许皇后坐执左道废处长定宫，而后姊孊为龙额思侯夫人，寡居。
At that time, Empress Xu was deposed from her position as empress and imprisoned in Changding Palace for believing in witchcraft. Empress Xu's sister, Xu Ye, was the wife of Marquis Long'e Si. Marquis Long'e Si had died and Empress Xu was widowed at home.