Leviticus 20:12
And a man who shall lie with his daughter-in-law, dying, they shall die, they two: they did profanation; their blood is upon them.
Leviticus 18:15
The nakedness of thy daughter-in-law thou shalt not uncover: she is thy son's wife, thou shalt not uncover her nakedness.
Leviticus 18:23
And to any quadruped thou shalt not give thy bed, to be defiled with it: and a woman shall not stand before a quadruped, to lie with it: it is profanation.
Genesis 38:16
And he will turn to her by the way, and will say, Now I will come in to thee; for he knew not that she was his daughter-in-law: and she will say, What wilt thou give to me that thou wilt come in to me?
Genesis 38:18
And he will say, What the pledge which I shall give to thee? And she will say, Thy seal, and thy cord, and thy rod which is in thy hand: and he will give to her, and will go in to her, and she will conceive by him.
Deuteronomy 27:23
Cursed he lying with his daughter-in-law: and all the people said Amen.