Hugh O'Neill, 1st Baron Rathcavan British politician (1883-1982) (1883–1982) Parents Lady Louisa Cochrane Edward O'Neill, 2nd Baron O'Neill Children Con O'Neill Phelim O’Neill, 2nd Baron Rathcavan Nial Arthur Ramleh O'Neill Siblings Arthur O'Neill William O'Neill Rose O'Neill Louisa O'Neill Alice O'Neill Partners Sylvia Irene Sandeman
