1 Corinthians 5:1
It is actually reported that there is sexual immorality among you, and of a kind that even pagans do not tolerate: A man is sleeping with his father's wife.

Genesis 49:4
Turbulent as the waters, you will no longer excel, for you went up onto your father's bed, onto my couch and defiled it.

Leviticus 18:7
"'Do not dishonor your father by having sexual relations with your mother. She is your mother; do not have relations with her.

Leviticus 18:8
"'Do not have sexual relations with your father's wife; that would dishonor your father.

Leviticus 20:11
"'If a man has sexual relations with his father's wife, he has dishonored his father. Both the man and the woman are to be put to death; their blood will be on their own heads.

Deuteronomy 22:30
A man is not to marry his father's wife; he must not dishonor his father's bed.