Pierre Jean Casimir, first "prince et duc" (prince and duke) de Blacas d'Aulps (January 10 1771, Vérignon, Var - November 17 1839, Vienne, Austria) was a French antiquarian, nobleman and diplomat. He was baptized at Aups on 11 January 1771. As sous-lieutenant in the Noailles dragoons, he emigrated in 1790 and - exiled by the French Revolution - attached himself to the diplomatic mission of the comte de Provence (the future Louis XVIII), … Wikipedia
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