19 “ ‘Do not have sexual relations with the sister of either your mother or your father, for that would dishonor a close relative; both of you would be held responsible.

References for Leviticus 20:19

20 “ ‘If a man has sexual relations with his aunt, he has dishonored his uncle. They will be held responsible; they will die childless.

References for Leviticus 20:20

21 “ ‘If a man marries his brother’s wife, it is an act of impurity; he has dishonored his brother. They will be childless.

References for Leviticus 20:21