Deuteronomy 22:30
A man may not marry his father's former wife and in this way dishonor his father.
Leviticus 18:8
You must not have sexual intercourse with your father's wife; she is your father's nakedness.
Deuteronomy 27:20
Cursed is the one who has sexual relations with his father's former wife, for he dishonors his father.' Then all the people will say, 'Amen!'
Leviticus 20:11
If a man has sexual intercourse with his father's wife, he has exposed his father's nakedness. Both of them must be put to death; their blood guilt is on themselves.
1 Corinthians 5:1
It is actually reported that sexual immorality exists among you, the kind of immorality that is not permitted even among the Gentiles, so that someone is cohabiting with his father's wife.
Ruth 3:9
He said, "Who are you?" She replied, "I am Ruth, your servant. Marry your servant, for you are a guardian of the family interests."
Ezekiel 16:8
"'Then I passed by you and watched you, noticing that you had reached the age for love. I spread my cloak over you and covered your nakedness. I swore a solemn oath to you and entered into a marriage covenant with you, declares the sovereign Lord, and you became mine.
1 Corinthians 5:13
But God will judge those outside. Remove the evil person from among you.