Diana Álvares Pereira de Melo, 11th Duchess of Cadaval Portuguese noble (b. 1978) Parents Claudine Tritz Jaime Álvares Pereira de Melo, 10th Duke of Cadaval Children Isabelle d'Orléans Siblings Rosalinda Álvares Pereira de Melo, 1st Duchess of Cadaval-Hermès Alexandra Álvares Pereira de Melo Maria Graziela Álvares Pereira de Melo Partners Prince Charles-Philippe d'Orléans