《资治通鉴·汉纪·汉纪三十七》
将皇子刘恭封为钜鹿王，皇子刘党封为乐成王，皇子刘衍封为下邳王，皇子刘畅封为汝南王，皇子刘封为常山王，皇子刘长封为济阴王。明帝亲自划定封国疆域，使各封国的面积只有楚国、淮阳国的一半大小。
封皇子恭为巨鹿王，党为乐成王，衍为下邳王，畅为汝南王，昞为常山王，长为济阴王；帝亲定其封域，裁令半楚、淮阳。
He granted the title King of Juluchun to his son Liu Gong, the title King of Lecheng to his son Liu Dang, the title King of Xiapi  to his son Liu Yan, the title King of Runan to his son Liu Chang, the title King of Changshan to his son Liu Feng, and the title King of Jiyin to his son Liu Chang. Emperor Ming personally demarcated the boundaries of the enfeoffed lands, making the size of each enfeoffed land only half that of the Chu and Huaiyang states.