Antoine VIII de Gramont
Antoine-Louis-Marie de Gramont, 8th Duke of Gramont (17 August 1755 – 28 August 1836), was a French military officer, diplomat and parliamentarian. Life and career. He was known by the courtesy title of "comte de Louvigny" before his marriage, on 16 April 1780, to Aglaé de Polignac (1768–1803), daughter of Yolande de Polastron, Duchess of Polignac. At that point, he was accorded the style of "duc de Guiche", since he was the heir presumptive to the Dukedom of Gramont. In 1801, he succeeded a cousin as the 8th Duke of Gramont and the Prince of  Bidache. He served as a captain in the Royal "Garde du Corps" before fleeing to Britain at the outset of the French Revolution. He remained loyal to the House of Bourbon, becoming a military commander under Louis Antoine, Duke of Angoulême. He later served briefly as French ambassador to the Court of St James's under the Bourbon Restoration.