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

You must not have sexual relations with both a woman and her daughter. You are not to marry her son’s daughter or her daughter’s daughter and have sexual relations with her. They are close relatives; it is depraved.

If a man marries both a woman and her mother, it is depraved. Both he and they must be burned in the fire, so that there will be no depravity among you.

‘Cursed is he who sleeps with his mother-in-law.’ And let all the people say, ‘Amen!’