《汉书·传·佞幸传》
待李夫人死后，他们兄弟二人再也得不到武帝宠爱，武帝于是杀掉了李延年兄弟及其宗族。
及李夫人卒后，其爱弛，上遂诛延年兄弟宗族。
After the death of Lady Li, the two brothers could no longer get the favor of Emperor Wu, so Emperor Wu killed the Li Yannian brothers and their clan.