Leviticus 18:10-12

New Century Version

¹⁰ “‘You must not have sexual relations with your son’s daughter or your daughter’s daughter; that would bring shame on you.

¹¹ “‘If your father and his wife have a daughter, she is your sister. You must not have sexual relations with her.

¹² “‘You must not have sexual relations with your father’s sister; she is your father’s close relative.