Lady Catherine FitzGerald Peerage person ID=147192 Parents Gerald FitzGerald, 14th Earl of Desmond Eleanor Butler Children Donough O'Brien Connor O'Brien, 2nd Viscount Clare Margaret O'Brien Murrough O'Brien Teige O'Brien Siblings Ellen FitzGerald Joan FitzGerald Lady Ellice Fitzgerald James FitzGerald, 1st Earl of Desmond Lady Eleanor FitzGerald Partners Daniel O'Brien, 1st Viscount Clare Maurice Roche, 6th Viscount Roche of Fermoy