Leviticus 20:12
And any man who lieth with his daughter-in-law, they both shall, surely be put to death, confusion, have they wrought - their blood shall be upon themselves.
Leviticus 18:15
The shame of thy daughter-in-law, shalt thou not uncover, - thy son's wife, she is, thou shalt not uncover her shame.
Leviticus 18:23
And of no beast, shalt thou have carnal knowledge to commit uncleanness therewith, - neither shall a woman present herself to a beast to couch down thereto, - confusion, it is.
Genesis 38:16
So he turned aside unto her. by the way, and said Grant it! I pray thee, let me come in unto thee! For he knew not that she was his daughter-in-law. And she said, What wilt thou give me, if thou shouldst come in unto me?
Genesis 38:18
And he said - What is the pledge that I shall give thee? And She said - Thy signet-ring, and thy guard, and thy staff that is in thy hand. So he gave them to her and came in unto her and she conceived by him.
Deuteronomy 27:23
Cursed, be he that lieth with his mother-in-law. And all the people shall say - Amen.