FTP, name this  Bastille prisoner, the subject of a novel by Alexandre Dumas.
The great-grandfather of Napoleon Bonaparte, a son of King  Charles II, the Duke of Mantua, and disgraced finance minister  Nicholas Fouquet have all been suggested as possible identities for  this man, whose tombstone identifies him as "Marchionoli." The  subject of legends even during his lifetime, it was Voltaire who  first suggested that he was a brother of Louis XIV. FTP, name this  Bastille prisoner, the subject of a novel by Alexandre Dumas.
The great-grandfather of Napoleon Bonaparte, a son of King  Charles II, the Duke of Mantua, and disgraced finance minister  Nicholas Fouquet have all been suggested as possible identities for  this man, whose tombstone identifies him as "Marchionoli."
The {Man in the Iron Mask}