17. If a man marries his sister—his father’s daughter or his mother’s daughter—and they have sexual contact with each other, it is a disgrace. They will be cut off in the sight of their people. Such a man has had sexual contact with his sister; he will be liable to punishment.
18. If a man sleeps with a woman during her menstrual period and has sexual contact with her, he has exposed the source of her blood flow and she has uncovered the same. Both of them will be cut off from their people.
19. You must not have sexual contact with your mother’s sister or your father’s sister, because that exposes your own close relative; both of you will be liable to punishment.
20. If a man has sexual intercourse with his aunt, he has uncovered his uncle’s nakedness. The man and the aunt will be liable to punishment; they will die childless.
21. If a man marries his brother’s wife, it is indecent. He has uncovered his brother’s nakedness; the man and the woman will be childless.
22. You must keep all my rules and all my regulations, and do them so that the land I am bringing you to, where you will live, won’t vomit you out.