The Lord said to Moses: Speak to the priests, the sons of Aaron, and say to them: No one shall defile himself for a dead person among his relatives,
except for his nearest kin: his mother, his father, his son, his daughter, his brother;
likewise, for a virgin sister, close to him because she has had no husband, he may defile himself for her.
But he shall not defile himself as a husband among his people and so profane himself.
They shall not make bald spots upon their heads, or shave off the edges of their beards, or make any gashes in their flesh.
They shall be holy to their God, and not profane the name of their God; for they offer the Lord's offerings by fire, the food of their God; therefore they shall be holy.