 Indeed, a real Eustache Dauger actually existed, as Martin, Roux de Marcilly's valet.Following the letter from Louvois which De Vauroy received on 3 August, the prisoner Dauger arrived in Pignerol on 24 August, escorted by De Vauroy.Marcel Pagnol wonders about this delay of over twenty days, due either to the health of the prisoner, overwhelmed by his arrest, or to interrogations taking place.