Duc de Gramont

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The Duc de Gramont (Duke of Gramont) is a senior French peerage. It was created in 1643. The dukedom also holds the titles Peer of France, Prince de Bidache, Sovereign of Bidache, Count of Guiche and Louvigny, Viscount of Aster, Baron d'Andouins and of Hagetmau. There have been 13 holders of the peerage: