Costanza de' Medici di Ottajano Italian noblewoman (1717-1799) (1717–1799) Parents Giuseppe de' Medici, 4th Prince of Ottajano Anna Caetani Children Ettore Pignatelli d'Aragona, 11th Duke of Monteleone, 10th Marquess of the Valley of Oaxaca Francesco Maria Pignatelli Siblings Michele de' Medici, 5th Prince of Ottajano Partners Fabrizio Pignatelli d'Aragona, 10th Duke of Monteleone, 9th Marquess of the Valley of Oaxaca