《南史·列传·卷七十九》
然后用灰在他边上环绕，绕一圈他本人不得再作官，绕两圈则子孙两代不能作官。三圈就七世不能作官。
以灰绕之，其一重则一身屏退，二重则及子孙，三重者则及七世。
Then a line was drawn in the ashes around the criminal: if the circle was drawn once, he could never hold office again; if the circle was drawn twice, then neither he nor his children or grandchildren could hold office; if a third circle was drawn, then his descendants for seven generations could not hold office.