《汉书·传·武五子传》
到了宣帝即位，刘胥的四个儿子刘圣、刘曾、刘宝、刘昌都封为列侯，还册立刘胥的小儿子刘弘为高密王。
及宣帝即位，封胥四子圣、曾、宝、昌皆为列侯，又立胥小子弘为高密王。
When Emperor Xuan ascended to the throne, Liu Xu's four sons, Liu Sheng, Liu Zeng, Liu Bao, and Liu Chang were all made marquises. Liu Xu's youngest son, Liu Hong, was made King of Gaomi.