(b Paris, June 6, 1719; d Paris, May 31, 1794).
French patron, collector, amateur engraver and soldier . He was the only son of the collector Augustin Blondel de Gagny and joined the army at 15, being awarded the Croix de St Louis in 1745. He retired from the army in 1753, having married a great heiress, Catherine Edmée de la Haye des Fosses; they divided their time between hôtels particuliers in the Rue de Vendôme and the Rue Nazareth, Paris, and an elegant château at Bonneuil. Azincourt was an honorary member of the Académie Royale in Paris and the academy of Marseille. In 1776 he helped to arrange the acquisition by the Maison du Roi of the Cabinet de l’Amour from the Hôtel Lambert, Paris. In La Première Idée de la curiosité (1749), he described the principles of collecting and offered advice on display. His eclectic collection ranged from Italian, Northern European and French works to curiosities of natural history. After ...