. "Duke of Popoli" . . "Duke of P\u00F3poli" . . . . . . . "Restaino Cantelmo-Stuart" . . . . . "Restaino Cantelmo-Stuart, Duke of Popoli" . . . . . . . "1651" . "Restaino Cantelmo-Stuart" . . "Restaino Cantelmo Stuart, 8th Duke of Popoli and Prince of Pettorano" . . . .