Some say he was actually an Italian diplomat who blabbed about a secret deal, others that he was a courtier involved in the "affair of the poisons" that brought scandal to the court of Versailles. The two most likely candidates were Ercole Matthioli 
Some say he was actually an Italian diplomat who blabbed about a secret deal, others that he was a courtier involved in the "affair of the poisons" that brought scandal to the court of Versailles. The two most likely candidates were Ercole Matthioli and Eustache Dauger; regardless, he died in 1703 in the Bastille. FTP, identify this famous prisoner, who was hypothesized to be the elder brother of Louis XIV in a novel by Alexander Dumas.
Some say he was actually an Italian diplomat who blabbed about a secret deal, others that he was a courtier involved in the "affair of the poisons" that brought scandal to the court of Versailles.
The {Man in the Iron Mask}