17 You shall not uncover the nakedness of a woman and her daughter; you shall not undertake to uncover her son's daughter, or her daughter's daughter; they are her relatives; it is wickedness.
Leviticus 18:17 Cross References - LITV
Leviticus 20:14
14 And a man who takes a woman and her mother, it is wickedness; they shall burn him and them; and there shall be no wickedness in your midst.
Deuteronomy 27:23
23 Cursed is he who lies with his mother-in-law! And all the people shall say, Amen!
Amos 2:7
7 panting for the dust of the earth on the head of the helpless, and turning aside the way of the humble. And a man and his father will go in to the same girl, in order to profane the name of My holiness.