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 20:12
And if a man lies with his daughter-in-law, both of them shall surely be put to death. They have performed a perversion; their blood shall be on them.
Genesis 38:26
And Judah acknowledged them, and said, She has been more righteous than I have, because I did not give her to my son Shelah. And he never knew her again.
Ezekiel 22:11
And a man has done abomination with his neighbor's wife; and a man has defiled his daughter-in-law in unchaste acts; and a man has humbled within you his sister, his father's daughter.
Genesis 38:18-19
And he said, What pledge shall I give you? And she said, Your signet, and your bracelet, and your staff that is in your hand. And he gave to her, and came in to her, and she conceived by him.