《汉书·传·翟方进传》
翟义于是和束郡都尉刘宇、严乡侯刘信、刘信的弟弟武平侯刘璜结盟谋划。
义遂与东郡都尉刘宇、严乡侯刘信、信弟武平侯刘璜结谋。
Di Yi then formed an alliance with Liu Yu, the magistrate of Shujun County, Liu Xin, the Marquis of Yanxiang, and Liu Xin's younger brother, Liu Huang, the Marquis of Wuping.