Man in the Iron Mask Huguenot Roux de Marcilly. After his master's execution in 1669 the valet was taken to France, possibly by capture or subterfuge, and imprisoned because he might have known too much about his master's affairs. In "The Man of the Mask" (1908), Arthur Barnes presents James de la Cloche, the alleged illegitimate son of the reluctant Protestant Charles II of England, who would have been his father's secret intermediary with the Catholic court of France. Louis XIV could have imprisoned him because he knew too much about French affairs with England. One of Charles's confirmed illegitimate sons, the Duke of Monmouth,
Man in the Iron Mask Saint-Mars announcing the imminent arrival of the prisoner who would become the "man in the iron mask," Louvois gave his name as "Eustache Dauger" and historians have found evidence that an Eustache Dauger was living in France at the time and was involved in scandalous and embarrassing events involving people in high places known as l'Affaire des Poisons. His full name was Eustache Dauger de Cavoye. Records indicate that he was born on 30 August 1637, the son of François Dauger, a captain in Cardinal Richelieu's guards. François was married to Marie de Sérignan and they had 11 children, nine