Leviticus 21
13 Ref And let him take as his wife one who has not had relations with a man.
14 Ref A widow, or one whose husband has put her away, or a common woman of loose behaviour, may not be the wife of a priest; but let him take a virgin from among his people.
15 Ref And he may not make his seed unclean among his people, for I the Lord have made him holy.