Question: Were Matthias Alexander Rath and Bénigne Dauvergne De Saint-Mars of the same nationality?
Sentence (from "Man in the Iron Mask"): 1640 – 19 November 1703) was an unidentified prisoner who was arrested in 1669 or 1670 and subsequently held in a number of French prisons, including the Bastille and the Fortress of Pignerol( modern Pinerolo, Italy).
Relevant evidence: No