Cross reference
Deuteronomy 27:23
23 Cursed be he that lieth with his mother-in-law. And all the people shall say, Amen.
Leviticus 20:14
14 And if a man take a wife and her mother, it is wickedness: they shall be burnt with fire, both he and they; that there be no wickedness among you.
Leviticus 18:17
17 Thou shalt not uncover the nakedness of a woman and her daughter; thou shalt not take her son's daughter, or her daughter's daughter, to uncover her nakedness; they are near kinswomen: it is wickedness.