9 “‘You must not have sexual relations with your sister, either the daughter of your father or the daughter of your mother, whether she is born in the same household or born outside of it.+

17 “‘If a man has sexual relations with his sister, the daughter of his father or the daughter of his mother, and he sees her nakedness and she sees his nakedness, it is a disgrace.+ They must be cut off* before the eyes of the sons of their people. He has exposed his sister to shame.* He should answer for his error.