Famille d'ORLÉANS. 3 letters or pieces, 18th century. Louis duc d'Orléans known as "le Génovéfain" (l.a.s., August 2, 1725, to the cardinal de Fleury, about the duchess of Lorraine who is going "to take the incognito at her place"). Jean-Philippe chevalier d'Orléans (l.s., Marseille 1746, about prisoners). Louis-Philippe duke of Orleans (p.s., 1781, beautiful patent of expectation of the "charge of Grand-Bailly d'Épée du Valois" in favour of S. du Hal). Expert : BODIN Thierry