Man in the Iron Mask one ever saw his face because it was hidden by a mask of black velvet cloth, the true identity of the prisoner remains a mystery; it has been extensively debated by historians, and various theories have been expounded in numerous books and films. Among the leading theories are those proposed by writer and philosopher Voltaire: he claimed in the second edition of his "Questions sur l'Encyclopédie" (1771) that the prisoner wore a mask made of iron rather than of cloth, and that he was the older, illegitimate brother of Louis XIV. What little is known about the historical Man in
Man in the Iron Mask that they had been provoked by the boy, who was drunk, but the fact that the killing took place near a castle where the king was staying meant that this was not a good enough explanation and, as a result, Dauger was forced to resign his commission. Dauger's mother died shortly afterwards. In her will, written a year previously, she passed over her eldest surviving sons, Eustache and Armand, leaving the bulk of the estate to their younger brother Louis. Eustache was restricted in the amount of money to which he had access, having built up considerable debts, and left