《宋史·本纪·卷十五》
十八日，封宗室秦、鲁、蔡、魏、燕、陈、越七王后代为公。
丁丑，封宗室秦、鲁、蔡、魏、燕、陈、越七王后为公。
On the 18th, seven kings of the imperial clan, descendants of the Qin, Lu, Cai, Wei, Yan, Chen, and Yue lineages, were enfeoffed as dukes.