Hugo José Jorge O'Neill Portuguese-Irish chieftain (1874–1940) Parents Dona Maria-Isabel Mazziotti Jorge Torlades O'Neill, 3rd Viscount of Santa Mónica Children Jorge Maria O'Neill Maria-Isabel O'Neill Fernando O'Neill Maria-Ana O'Neill Siblings Dona Maria-Teresa O'Neill Jorge-Albert O'Neill José-Carlos-Maria-Felix-Bernardo O'Neill Partners Dona Julia de Serpa Pimentel