Leviticus 21:2-4

World English Bible

² except for his relatives that are near to him: for his mother, for his father, for his son, for his daughter, for his brother, ³ and for his virgin sister who is near to him, who has had no husband; for her he may defile himself. ⁴ He shall not defile himself, being a chief man among his people, to profane himself.