You must not expose the nakedness of your mother’s sister and your father’s sister, for such a person has laid bare his own close relative. ¹  They must bear their punishment for iniquity. ² 

You must not have sexual intercourse with your father’s sister; she is your father’s flesh. ¹ 

You must not have sexual intercourse with your mother’s sister, because she is your mother’s flesh.

and his virgin sister who is near to him, ¹  who has no husband; he may defile himself for her.

You must not take a woman in marriage and then marry her sister as a rival wife ¹  while she is still alive, ²  to have sexual intercourse with her.

“‘If a man has sexual intercourse with ¹  his sister, whether the daughter of his father or his mother, so that he sees her nakedness and she sees his nakedness, it is a disgrace. They must be cut off in the sight of the children of their people. ²  He has exposed his sister’s nakedness; he will bear his punishment for iniquity. ³ 

You must not have sexual intercourse with the daughter of your father’s wife born of your father; she is your sister. You must not have intercourse with her. ¹ 

You must not have sexual intercourse with your sister, whether she is your father’s daughter or your mother’s daughter, ¹  whether she is born in the same household or born outside it; ²  you must not have sexual intercourse with either of them. ³