Leviticus 20:12
If a man lies [intimately] with his daughter-in-law, both of them shall most certainly be put to death; they have committed incest; their blood is on them.
Leviticus 18:15
You shall not uncover the nakedness of your daughter-in-law; she is your son’s wife. You shall not uncover her nakedness.
Leviticus 18:23
You shall not have intimate relations with any animal to be defiled with it; nor shall a woman stand before an animal to mate with it; it is a perversion.
Genesis 38:16
He turned to her by the road, and said, “Please come, let me lie with you”; for he did not know that she was his daughter-in-law. And she said, “What will you give me, that you may lie with me?”
Genesis 38:18
He said, “What pledge shall I give you?” She said, “Your seal and your cord, and the staff that is in your hand.” So he gave them to her and was intimate with her, and she conceived by him.
Deuteronomy 27:23
‘Cursed is he who is intimate with his mother-in-law.’ And all the people shall say, ‘Amen.’