 The prisoner is identified as the Duke of Beaufort, who died at the Siege of Candia.Letter from Mr du Palteau (June 1768)

Mr du Palteau was Guillaume de Formanoir's son, Saint-Mars's nephew and a cadet in the free company which will notably watch over the masked prisoner.Guillaume became a lieutenant in 1693 and most probably also accompanied Saint-Mars to serve the prisoner's meals.