Pia Maria of Orléans-Braganza member of the former House of Orléans-Braganza (1913–2000) Parents Princess Maria Pia of the Two Sicilies Luís de Orléans e Bragança Children Robert de Nicolay Louis-Jean de Nicolaÿ Siblings Pedro Henrique de Orléans e Bragança Luiz Gastão de Orléans-Bragança Partners René Marie Nicolas de Nicolay, Comte de Nicolay
