Frédéric-Maurice IV de GRAMONT DE VILLEMONTÈS (1760-1794) captain then battalion commander in the Corps of Engineers. 75 letters or documents, mostly L.A.S. to him, 1779-1794; approx. 100 pages in-4, numerous addresses (some letters defaced). Interesting account of his military career, from his studies at the École royale du Génie in Mézières, to the army of the Eastern Pyrenees, where he was inspector of fortifications (he was killed at the battle of the Montagne noire at the age of 34). Family letters: his father (5) and mother (written from Nérac), his sister Gramont de Pommaret (from Agen), his brother (from Metz), his brother-in-law Gaudé, his nephew Pommaret... Marshal de Broglie (1782), Prince de Broglie (1782), Baron Louis de Montault; friends and fellow officers: Jean-Claude d'Arçon, La Borde, chevalier de Texier, chevalier de Lafitte-Clavé, Gobert, comte Decoire, Martin Campredon, Delbhecq, Ribes... The correspondence began while Villemontès was a boarder in Paris; he then studied at the École du Génie in Mézières; he was sent to the Alsace frontiers (1784), to Niederbronn, Strasbourg and Neuf-Brisach; after a long stay in Nérac, he left for the army of the Eastern Pyrenees, under General Lafitte, to Banyuls and Collioure; as battalion commander, he was put in charge of frontier inspection.