Prince Charles, Duke of Penthièvre French prince, duke (1820–1828) Parents Maria Amalia of Naples and Sicily Louis-Philippe I Children Siblings Prince Antoine, Duke of Montpensier Louise of Orléans Princess Clémentine, Princess of Koháry Prince Louis, Duke of Nemours Prince Ferdinand Philippe, Duke of Orléans Prince François, Prince of Joinville Princess Marie of France Henri d'Orléans, Duke of Aumale Princess Françoise of Orléans