They are not to marry a woman defiled by prostitution or divorced by her husband, for the priest is holy to his God. You are to consider him holy since he presents the food of your God. He will be holy to you because I, the Lord who sets you apart, am holy. If a priest's daughter defiles herself by promiscuity, she defiles her father; she must be burned up. read more.
"The priest who is highest among his brothers, who has had the anointing oil poured on his head and has been ordained to wear the garments, must not dishevel his hair or tear his garments. He must not go near any dead person or make himself unclean [even] for his father or mother. He must not leave the sanctuary or he will desecrate the sanctuary of his God, for the consecration of the anointing oil of his God is on him; I am the Lord. "He is to marry a woman who is a virgin. He is not to marry a widow, a divorced woman, or one defiled by prostitution. He is to marry a virgin from his own people, so that he does not corrupt his bloodline among his people, for I am the Lord who sets him apart."

He is not to marry a widow or a divorced woman, but must marry a virgin from the offspring of the house of Israel, or a widow who is the widow of a priest. Verse Conceptsdivorce, in OTPriests, Function In Ot TimesVirginWidowsAvoid DivorceMarriage Controlled