Cecilia Mahony, Comtesse Mahony (1740-1789) (1740–1789) Parents Lady Anne Clifford James Joseph O'Mahony Children Maria Isabella Giustiniani Giacomo Giustiniani Catherine Giustiniani Chevalier Lorenzo Giustiniani Vincenzo Giustiniani, 6th Prince Giustaniani Partners Beneditto Giustaniani, 5th Prince Giustiniani
