James FitzGerald, 13th Earl of Desmond Irish nobleman (1550–1558) Parents Maud O'Brien John FitzGerald, de facto 12th Earl of Desmond Children Sir Thomas FitzJames FitzGerald Joan FitzGerald Lady Honora FitzGerald Lady Eleanor FitzGerald unknown daughter FitzGerald Gerald FitzGerald, 14th Earl of Desmond Lady Margaret FitzGerald Sir James FitzJames FitzGerald Siblings Mary FitzGerald Eleanor FitzGerald Maurice FitzJohn FitzGerald Catherine FitzGerald Partners Móre O'Carroll Eveleen MacCarthy Lady Katherine Butler