Man in the Iron Mask support of the National Library of France collections of ancient textiles, the accuracy of these notary documents discovered in 2015 has allowed the creation of the first virtual reconstruction of the prison of the man in the iron mask. The Man in the Iron Mask has also appeared in many works of fiction, most prominently in the late 1840s by Alexandre Dumas. A section of his novel "", the final installment of his D'Artagnan saga, features the Man in the Iron Mask. Here the prisoner is forced to wear an iron mask and is portrayed as Louis XIV's identical twin.
Man in the Iron Mask appointed governor of the prison of the Exiles Fort (now Exilles in Italy). He went there, taking Dauger and La Rivière with him. La Rivière's death was reported in January 1687; in May, Saint-Mars and Dauger moved to Sainte-Marguerite, one of the Lérins Islands, half a mile offshore from Cannes. It was during the journey to Sainte-Marguerite that rumours spread that the prisoner was wearing an iron mask. Again, he was placed in a cell with multiple doors. On 18 September 1698, Saint-Mars took up his new post as governor of the Bastille prison in Paris, bringing Dauger with him.