Prohibited for you are your mothers, your daughters, your sisters, your paternal aunts, your maternal aunts, daughters of brother, daughters of sister, your mothers who suckled you, your sisters through suckling, mothers of your wives and your step-daughters under your care who are born of your women with whom you have had intercourse,_though if you have not had intercourse with them, there is no sin on you,_and the wives of your sons from your loins, and that you combine two sisters (in wedlock), except what has passed. Surely, Allah is Most-Forgiving, Very-Merciful.