Thou shalt not uncover the nakedness of thy daughter in law: she is thy son's wife; thou shalt not uncover her nakedness.
ZEFANIABIBLE_BIBLE_BOOK_NAME_3 20:12
If a man sleeps with his daughter-in-law, both of them must be put to death. They have acted perversely; their blood is on their own hands.
ZEFANIABIBLE_BIBLE_BOOK_NAME_1 38:18
"What should I give you?" he asked. She answered, "Your signet ring, your cord, and the staff in your hand." So he gave them to her and slept with her, and she got pregnant by him.
ZEFANIABIBLE_BIBLE_BOOK_NAME_1 38:19
She got up and left, then removed her veil and put her widow's clothes back on.
ZEFANIABIBLE_BIBLE_BOOK_NAME_1 38:26
Judah recognized [them] and said, "She is more in the right than I, since I did not give her to my son Shelah." And he did not know her intimately again.
ZEFANIABIBLE_BIBLE_BOOK_NAME_26 22:11
One man within you commits an abomination with his neighbor's wife; another wickedly defiles his daughter-in-law; and [yet] another violates his sister, his father's daughter.