Keywords: Maria Comnena Greek Princess Trebizond by Pisanello.JPG en A portrait of Maria Comnena<ref> Bryer A Pisanello and the princess of Trebizond 1962 p 601-3 </ref><ref> cite book Browning Robert Maistor classical Byzantine and Renaissance studies for Robert Browning Australian Association for Byzantine Studies 1984 314-315 0959362614 9780959362619 Maria Komnene sister of John IV Alexander and David Grand Komnenoi wife of John VIII Palaiologos 1425-48 ; she may be represented by Pisanello A Bryer Pisanello and the princess of Trebizond </ref> died 1439 Greek princess of Trebizond third wife of Byzantine Emperor John VIII Palaiologos 1425-48 from the painting entitled St George and the Princess of Trebizond by Antonio Pisani Pisanello http //www art com/products/p14177641-sa-i2931424/antonio-pisani-pisanel-st-george-and-the-princess-of-trebizond-detail-of-the-head-of-the-princess-c1433-38 htm creator Pisanello circa 1433 -38 LangSwitch Notes <references /> PD-old-100 Renaissance profile portraits of women Saint George and the princess Pisanello Maria Megale Komnene |