Document Signed ‘Louis d’Orleans’, evidently the appointment of an official valuer in Chartres. In French. Vellum, about 13 x 20 inches, folds, dust soiled. 21 August 1733. Louis, Duke of Orléans (1703 –1752) was a member of the royal family of France, the House of Bourbon, and as such was a prince du sang. At his father’s death, he became the First Prince of the Blood (Premier Prince du Sang). Known as Louis le Pieux and also as Louis le Génovéfain, Louis was a pious, charitable and cultured prince, who took very little part in the politics of the time.