Prince Jean-Héracle de Polignac, 7th Duke of Polignac French politician (1914-1999) (1914–1999) Parents Marie Helene de Bauffremont Prince Armand de Polignac, 6th Duke of Polignac Children Prince Armand-Charles de Polignac, 8th Duke of Polignac Marie Christine de Polignac Marie Helene de Polignac Siblings Princesse Helene de Polignac Princesse Elisabeth de Polignac Princesse Anne Marie de Polignac Marie Odette de Polignac Princesse Yolande de Polignac Partners Marie-Madelaine d'Arnoux