Dona Maria-Teresa O'Neill

Parents

• Dona Maria-Isabel Mazziotti
• Jorge Torlades O'Neill, 3rd Viscount of Santa Mónica

Children

Siblings

• José-Carlos-Maria-Felix-Bernardo O'Neill
• Jorge-Albert O'Neill
• Hugo José Jorge O'Neill

Partners

• Don Antonio de Avilez Lobo Almeida Melo de Castro