Leviticus 20:9
Family Life and Sexual Prohibitions
20:9 “‘If anyone curses his father and mother he must be put to death. He has cursed his father and mother; his blood guilt is on himself.
Leviticus 20:11-12
20:11 If a man has sexual intercourse with his father’s wife, he has exposed his father’s nakedness. Both of them must be put to death; their blood guilt is on themselves.
20:12 If a man has sexual intercourse with his daughter-in-law, both of them must be put to death. They have committed perversion; their blood guilt is on themselves.