Leviticus 18:17
"'You shall not uncover the nakedness of a woman and her daughter. You shall not take her son's daughter, or her daughter's daughter, to uncover her nakedness; they are near kinswomen: it is wickedness.
Leviticus 20:14
"'If a man takes a wife and her mother, it is wickedness: they shall be burned with fire, both he and they; that there may be no wickedness among you.
Deuteronomy 27:23
'Cursed is he who lies with his mother-in-law.' All the people shall say, 'Amen.'
Amos 2:7
They trample on the dust of the earth on the head of the poor, and deny justice to the oppressed; and a man and his father use the same maiden, to profane my holy name;