Deuteronomy 27:20

Blessings And Curses

¹⁹ ‘The one who denies justice to a foreigner, a fatherless child, or a widow is cursed.’
And all the people will say, ‘Amen!’
²⁰ ‘The one who sleeps with his father’s wife is cursed, for he has violated his father’s marriage bed.’
And all the people will say, ‘Amen!’
²¹ ‘The one who has sexual intercourse with any animal is cursed.’
And all the people will say, ‘Amen!’

Sexual Relations

Deuteronomy 22:30

“A man is not to marry his father’s wife; he must not violate his father’s marriage bed.

Leviticus 18:8

You are not to have sex with your father’s wife; it will shame your father.

Leviticus 20:11

If a man sleeps with his father’s wife, he has shamed his father. Both of them must be put to death; their blood is on their own hands.

1 Corinthians 5:1

It is widely reported that there is sexual immorality among you, and the kind of sexual immorality that is not even tolerated among the Gentiles—a man is living with his father’s wife.

Genesis 35:22

While Israel was living in that region, Reuben went in and slept with his father’s concubine Bilhah, and Israel heard about it.

Jacob had 12 sons:

Genesis 49:4

Turbulent as water, you will no longer excel,
because you got into your father’s bed
and you defiled it—he got into my bed.

2 Samuel 16:22

So they pitched a tent for Absalom on the roof, and he slept with his father’s concubines in the sight of all Israel.

1 Chronicles 5:1

These were the sons of Reuben the firstborn of Israel. He was the firstborn, but his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father’s bed. He is not listed in the genealogy according to birthright.

Ezekiel 22:10

Men within you have sexual intercourse with their father’s wife and violate women during their menstrual impurity.

Amos 2:7

They trample the heads of the poor
on the dust of the ground
and block the path of the needy.
A man and his father have sexual relations
with the same girl,
profaning My holy name.