《后汉书·列传·窦融列传》
帝以窦融高功，下诏以安丰、阳泉、蓼、安风四县封窦融为安丰侯，弟窦友为显亲侯。
帝高融功，下诏以安丰、阳泉、蓼、安风四县封融为安丰侯，弟友为显亲侯。
The emperor, in view of Dou Rong's high merit, issued an imperial edict to establish Anfeng, Yangquan, Liao and Anfeng four counties as Anfeng Marquis for Dou Rong, and his younger brother Dou You as Marquis Xianqin.