Leviticus 18:17
The nakedness of a woman and her daughter thou dost not uncover; her son's daughter, and her daughter's daughter thou dost not take to uncover her nakedness; they are her relations; it is wickedness.
Leviticus 20:14
And a man who taketh the woman and her mother -- it is wickedness; with fire they burn him and them, and there is no wickedness in your midst.
Deuteronomy 27:23
Cursed is he who is lying with his mother-in-law, -- and all the people have said, Amen.
Amos 2:7
Who are panting for the dust of the earth on the head of the poor, And the way of the humble they turn aside, And a man and his father go unto the damsel, So as to pollute My holy name.