DU ROC family. Approx. 40 items, 14th-17th century; on parchment or paper. Set concerning the family of Michel du Roc, marquis de Brion (from whom General Duroc, duc de Frioul, descended), at Marvejols and château de Fournels, and the related de Lastic family. 2 large parchment rolls (defects and missing items) concerning the Sieur d'Apcher (1324) and the Barony of Mercœur (1535). Purchases and exchanges... Proceedings concerning the Michel du Roc family, lords of Brion. Deliberation by the community of Mende to encamp troops (1754). Contributions from Pierre Duroc, mayor of Marvejols (1754-1760); letters to him (one from the Marquis d'Apchier). Convocations of the consuls of Marvejols to the Estates of Languedoc (1728-1764). 3 military patents for Jean-Antoine de Lastic (1743-1776). Supplique au sénéchal d'Auvergne de Dominique de Lastic, évêque de Couserans (1787). Enclosed: - Nouvelle manière de diviser géométriquement en trois parties égales de quart de cercle... by M. Duroc de Marvejols (1726), and a printed leaflet on the compass dial; - 2 political brochures (1814); - letters and documents from the end of the 19th century concerning the Marquis de Brion at Château de Fournels or Château du Breuil.