: He died in the Bastille on November 19, 1703, and was buried under the name " Marchioly ". 2. Primary Historical Theories
: He remained in the strict custody of the same jailer, Bénigne Dauvergne de Saint-Mars , through four successive prisons: Pignerol, Exilles, the Île Sainte-Marguerite, and finally the Bastille in 1698.
: Historically, the mask was likely made of black velvet , not iron; the "iron mask" detail is largely a legendary or literary invention.
The real "Man in the Iron Mask" was an unidentified prisoner held for 34 years during the reign of .