Bible Verses About Mother-in-Law: Not to be defiled

"'You are not to have sexual relations with both a woman and her daughter, nor are you to have sexual relations with her son's daughter or her daughter's daughter; they are close relatives of hers, and it would be shameful.

If a man marries a woman and her mother, it is depravity; they are to be put to death by fire, both he and they, so that there will not be depravity among you.

"'A curse on anyone who has sexual relations with his mother-in-law.' All the people are to say, 'Amen!'