(before 1234 – 1251) Guy I de la Roche (1251–1263) as Duke of Athens John I de la Roche (1263–1280) as Duke of Athens William de la Roche (1280–1287) as Duke of Athens Guy II de la Roche (1287–1308) as Duke of Athens Walter I of Brienne (1308–1311) as Duke of Athens Walter II of Brienne (1311–1356) as titular Duke of Athens Guy III of Enghien (1356–1376) Louis of Enghien (1376–1377) as steward for: Maria of Enghien (1377–1388) with her husband Pietro Cornaro (1377–1388) Sold to Venice in 1388, Argos seized and held by the Despotate of the Morea until 1394 References Sources Principality of Achaea Medieval Argolis States of Frankish and Latin Greece States and territories established in 1212 States and territories disestablished in 1388 History of Argos, Peloponnese History of Nafplion