Leviticus 20:12

If any man will have slept with his daughter-in-law, both shall die, for they have acted according to wickedness. So let their blood be upon them

Other versions

King James Version

And if a man 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.

English Standard Version

If a man lies with his daughter-in-law, both of them shall surely be put to death; they have committed perversion; their blood is upon them.

New International Version

"'If a man sleeps with his daughter-in-law, both of them must be put to death. What they have done is a perversion; their blood will be on their own heads.