 Sotiropoulos died in Athens in 1898.In 1866, Sotiropoulos was kidnapped and held by brigands for 36 days before he was ransomed for 60,000 drachmas.He recounted his time with the brigands in his book "Τριάκοντα εξ ημερών αιχμαλωσία και διαβίωσις μετά των ληστών" (""Thirty-six days captivity and life with the brigands""), translated into English as "The Brigands of the Morea