Leviticus 21:3 in the World English Bible
and for his virgin sister who is near to him, who has had no husband; for her he may defile himself.
Context
2 But for his kin, that is near unto him, that is, for his mother, and for his father, and for his son, and for his daughter, and for his brother,
3 And for his sister a virgin, that is nigh unto him, which hath had no husband; for her may he be defiled.
4 But he shall not defile himself, being a chief man among his people, to profane himself.