《后汉书·列传·宦者列传》
单超及徐璜、唐衡袭封的都降为乡侯，租入岁都三百万，子弟分封的，都剥夺爵土。
超及璜、衡袭封者，并降为乡侯，租入岁皆三百万，子弟分封者，悉夺爵土。
Shan Chao, Xu Huang, and Tang Heng’s inherited enfeoffments were all demoted to lesser marquis. Their annual rental income was all three million. The enfeoffments of their sons and younger brothers were all stripped of their titles and lands.