Nicolas Fouquet to visit him only once, in 1679. The former minister bore his imprisonment with fortitude and composed several translations and devotionals in prison. According to official records, Fouquet died in Pinerolo on 23 March 1680. A year after his death, his remains were moved from Pinerolo to the family crypt in the Église Sainte-Marie-des-Anges in Paris. Fouquet's story is often entwined with that of the Man in the Iron Mask, who is often identified as the true king or even as an identical twin brother of Louis XIV. As such, he is a pivotal character in Alexandre Dumas' novel "The
Man in the Iron Mask suggested that Dauger may have poisoned Fouquet as part of a complex power struggle between Louvois and his rival Colbert. However, evidence has emerged that Dauger de Cavoye actually died in the Prison Saint-Lazare, an asylum run by monks which many families used in order to imprison their "black sheep". Documents have survived indicating that Dauger de Cavoye was held at Saint-Lazare in Paris at about the same time that Dauger, the man in the mask, was taken into custody in Pignerol, hundreds of miles away in the south. These include a letter sent to Dauger de Cavoye's sister, the