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
"'If a man lies with his daughter-in-law, both of them shall surely be put to death: they have committed a perversion; their blood shall be upon them.
Genesis 38:26
Judah acknowledged them, and said, "She is more righteous than I, because I didn't give her to Shelah, my son." He knew her again no more.
Ezekiel 22:11
One has committed abomination with his neighbor's wife; and another has lewdly defiled his daughter-in-law; and another in you has humbled his sister, his father's daughter.
Genesis 38:18-19
He said, "What pledge will I give you?" She said, "Your signet and your cord, and your staff that is in your hand." He gave them to her, and came in to her, and she conceived by him.