《礼记·文王世子》
国君的族人如果犯有刑罪，则或针刺或刀割，也告于甸人由其执行。
其刑罪，则纤剸，亦告于甸人。
If the king’s clansmen commit crimes punishable by mutilation, they will be pierced with needles or cut with knives. This will also be reported to the甸人, who will carry out the punishment.