Leviticus 18:17
You shall not uncover the nakedness of a woman and her daughter, neither shall you undertake to uncover her son's daughter, or her daughter's daughter. They are her near kinswomen; it is wickedness.
Leviticus 20:14
And if a man takes a wife and her mother, it is wickedness. They shall be burned with fire, both he and they, so that there may be no wickedness among you.
Deuteronomy 27:23
Cursed is he who lies with his mother-in-law. And all the people shall say, Amen.
Amos 2:7
panting after the dust of the earth on the head of the poor, and turning aside the way of the meek. And a man and his father will go in to the same woman, to defile My holy name.