17. “‘It is shameful for a brother to marry his sister and to have physical relations with her. In front of everyone they must both be separated from their people. The man has shamed his sister. And he is guilty of sin.
18. “‘If a man has physical relations with a woman during her monthly period, both the woman and the man must be separated from their people. They sinned because they showed the source of her blood.
19. “‘Do not have physical relations with your mother’s sister or your father’s sister. That would shame a close relative. Both of you are guilty of this sin.
20. “‘A man must not have physical relations with his uncle’s wife. That would shame his uncle. That man and his uncle’s wife would die without children. They are guilty of sin.