1 Constantine XI Palaiologos 1.1 Background 2 Titles 2.1 Emperor of the Byzantines 2.2 Despot of the Morea 3 Downfall 3.1 Death Constantine XI Palaiaologos is revered as one of the greatest Roman emperors in history. Constantinus Dragases emperor of the East XI, Constantinus Palaeologus bizantski car XI, Constantinus Ultimus imperator. Haloed facing bust of Constantine… Constantinus XI Palaeologus, keizer van het Byzantijnse Rijk, 1405-1453. Constantine XI Dragases Palaiologos or Dragaš Palaeologus (Greek: Κωνσταντῖνος Δραγάσης Παλαιολόγος, Kōnstantinos Dragasēs Palaiologos; 8 February 1405 to 29 May, 1453) was Byzantine Emperor from 6 January, 1449 to 29 May, 1453. He was trained as a soldier, and in 1430 liberated the peninsula of Morea in Greece, which had been under the Frankish principality of Achaia, a state established by the Crusaders. Obverse: Haloed facing bust of Christ holding Gospels, IC (“Jesus”) to left. Rev. Konstantinos XI Dragases Palaiologos died without issue. Constantine XI Palaeologos (1404-1453), also called Dragases, last Byzantine emperor, was born in 1404 in Mistra, was the son of Emperor Manuel II. Constantine XI Palaiologos. AR Half Stavraton. Eastern Roman (Byzantine) Empire was not formally a hereditary monarchy. Constantinus XI, bizantski car. He was son of Manuel II Palaiologos and Helena Dragas. Quite the same Wikipedia. Constantine XI was born in Constantinople in 1405 to Manuel II and his wife Helena. Just better. Constantine XI Palaiologos 1405-1453. Constantine XI Palaiologos. Constantine XI Dragasēs Palaiologos (February 8, 1404 – May 29, 1453) He was the last reigning Byzantine Emperor from 1449 to his death as member of the Palaiologos dynasty. There was no law which regulated inheritance in Byzantine Empire.