《宋书·本纪·卷一》
高祖武皇帝名刘裕，字德舆，小名寄奴，彭城县绥舆里人，是汉高帝的弟弟楚元王刘交的后代。
武帝上高祖武皇帝讳裕，字德舆，小名寄奴，彭城县绥舆里人，汉高帝弟楚元王交之后也。
Emperor Gaozu was named Liu Yu, with the courtesy name Deyu and the childhood name Yinü. He was from Suiyuli in Pengcheng County and was a descendant of Liu Jiao, King Yuan of Chu, the younger brother of Emperor Gao of Han.