Leviticus 18:15
Thou shalt not uncover the nakedness of thy daughter-in-law: she is thy son's wife, thou shalt not uncover her nakedness.
Leviticus 20:12
And if a man shall lie with his daughter-in-law, both of them shall surely be put to death: they have wrought confusion; their blood shall be upon them.
Genesis 38:26
And Judah acknowledged them, and said She hath been more righteous than I; because that I gave her not to Shelah my son: and he knew her again no more.
Ezekiel 22:11
And one hath committed abomination with his neighbor's wife; and another hath lewdly defiled his daughter-in-law; and another in thee hath humbled his sister, his father's daughter.
Genesis 38:18-19
And he said, What pledge shall I give thee? and she said, Thy signet, and thy bracelets, and thy staff that is in thy hand: and he gave them to her, and came in to her, and she conceived by him.