Man in the Iron Mask dynasty, as well as in the House of Valois, Bourbon and lastly the House of Orléans. Alexandre Dumas explored a similar theory in his book "The Vicomte de Bragelonne", where the prisoner was instead an identical twin of Louis XIV. This book has served as the basis – even if loosely adapted – for many film versions of the story. According to Marcel Pagnol’s theory, this twin was then born in 1638, grew up on Jersey Island, being named James de la Cloche. Later he would have conspired against King Louis XIV besides Roux de Marcilly, and would have been
Man in the Iron Mask in a newspaper at the time and that he was released after just a few months. His death is also recorded as happening in 1709, six years after that of the man in the mask. In 1801, revolutionary legislator Pierre Roux-Fazillac stated that the tale of the masked prisoner was an amalgamation of the fates of two separate prisoners, Ercole Antonio Mattioli (see below) and an imprisoned valet named "Eustache D'auger". Andrew Lang, in his "The Valet's Tragedy and Other Stories" (1903), presented a theory that "Eustache Dauger" was a prison pseudonym of a man called "Martin", valet of the