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 jailers took – created significant interest in his story and gave birth to many legends. Many theories exist and several books have been written about the case. Some were presented after the existence of the letters was widely known. Still later commentators have presented their own theories, possibly based on embellished versions of the original tale. Theories about his identity popular during his time included that he was a Marshal of France; the English Henry Cromwell, son of Oliver Cromwell; or François, Duke of Beaufort. Later, many people such as Voltaire and Alexandre Dumas suggested other theories about the man