Lev LeviticusLeviticul, chaptercapitolul Book of LeviticusCartea a treia a lui Moise: Leviticul, chaptercapitolul 18

You must not have sexual relations with your father’s sister; she is your father’s close relative.Lev 20:19

You must not have sexual relations with your mother’s sister, for she is your mother’s close relative.