John Petty, 1st Earl of Shelburne Irish Earl (1706–1761) Parents Anne FitzMaurice Thomas FitzMaurice, 1st Earl of Kerry Children William Petty, 2nd Earl of Shelburne Thomas FitzMaurice Siblings William FitzMaurice, 2nd Earl of Kerry Lady Charlotte FitzMaurice Lady Elizabeth Anne FitzMaurice Arabella Denny Partners Mary FitzMaurice