John FitzGerald, de facto 12th Earl of Desmond Tudor noble (1450–1536) Parents Thomas FitzGerald, 7th Earl of Desmond Ellice Barry Children Maurice FitzJohn FitzGerald Catherine FitzGerald James FitzGerald, 13th Earl of Desmond Mary FitzGerald Eleanor FitzGerald Siblings James FitzGerald, 8th Earl of Desmond Thomas FitzGerald, 11th Earl of Desmond Maurice FitzGerald, 9th Earl of Desmond Katherine Fitzgerald, Lady of Hy-Carbery Maurice 'Oge' Fitzgibbon, 7th White Knight Sir John FitzGibbon Partners Maud O'Brien
