By perverting the order which God hath appointed, and mixing the blood which God would have separated, and making the same offspring both his own immediate child and his grandchild, they have wrought confusion.
Related Commentaries of Leviticus 20:12
Leviticus 20:12
12 And if a man lie with his daughter in law, both of them shall surely be put to death: they have wrought confusion; their blood shall be upon them.