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 there is a man who lies with his daughter-in-law, both of them shall surely be put to death; they have committed incest, their bloodguiltiness is upon them.

Genesis 38:26

Judah recognized them, and said, “She is more righteous than I, inasmuch as I did not give her to my son Shelah.” And he did not have relations with her again.

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 shall I give you?” And she said, “Your seal and your cord, and your staff that is in your hand.” So he gave them to her and went in to her, and she conceived by him.

Treasury of Scripture Knowledge

Summary

Thou shalt not uncover the nakedness of thy daughter in law: she is thy son's wife; thou shalt not uncover her nakedness.

Bible References

General references

Leviticus 20:12
If there is a man who lies with his daughter-in-law, both of them shall surely be put to death; they have committed incest, their bloodguiltiness is upon them.
Genesis 38:18
He said, “What pledge shall I give you?” And she said, “Your seal and your cord, and your staff that is in your hand.” So he gave them to her and went in to her, and she conceived by him.
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.