Cross reference
Deuteronomy 27:23
23 `Cursed `is' he who is lying with his mother-in-law, -- and all the people have said, Amen.
Leviticus 20:14
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.
Leviticus 18:17
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.