Maurice FitzGerald, 4th Earl of Kildare Irish nobleman and Lord Justice of Ireland (1318–1390) Parents Lady Joan de Burgh Thomas FitzGerald, 2nd Earl of Kildare Children Thomas FitzGerald John fitz Maurice FitzGerald Richard FitzGerald John FitzGerald, 6th Earl of Kildare Joanna FitzGerald Gerald FitzGerald, 5th Earl of Kildare Maurice FitzGerald Siblings Aymer Darcy Elizabeth Butler, Countess of Ormond Lady Emily Fitzgerald Richard FitzGerald, 3rd Earl of Kildare Roger Darcy John FitzGerald Sir William D'Arcy Partners Elizabeth Burghersh