BEREAVEMENT, Mourning in, forbidden to Aaron, on account of his sons'
Moses said to Aaron, and to Eleazar and to Ithamar, his sons, "Don't let the hair of your heads go loose, and don't tear your clothes; so that you don't die, and so that he not be angry with all the congregation; but let your brothers, the whole house of Israel, bewail the burning which the LORD has kindled.