Leviticus 18:5-7

New Century Version

⁵ Obey my laws and rules; a person who obeys them will live because of them. I am the Lord.

⁶ “‘You must never have sexual relations with your close relatives. I am the Lord.

⁷ “‘You must not shame your father by having sexual relations with your mother. She is your mother; do not have sexual relations with her.