《后汉书·列传·冯岑贾列传》
建武十三年，定封胶东侯，食邑郁秩、壮武、下密、即墨、梃、观阳，共六县。
十三年，定封胶东侯，食郁秩、壮武、下密、即墨、梃、观阳，凡六县。
In the 13th year of Jianwu, he was named Marquis of Jiaodong and was granted the income of six counties: Yuzhi, Zhuangwu, Ximi, Jimo, Ting, and Guanyang.