In early 1453 CE, the Genoese and Venetians pledged to bolster the Byzantine naval garrison with some warships. https://en.wikipedia.org/wiki/Constantine_XI_Palaiologos_Dragases John VIII Palaiologos named his brother Constantine XI, who had served as regent in Constantinople in 1437–1439, as his successor. Following the fall of the Byzantine Empire, Thomas and his children had fled to Corfu. Konstantinos XI Palaiologos, Latinh hóa là Palaeologus ([Κωνσταντίνος ΙΑ' Δραγάσης Παλαιολόγος] lỗi: {{lang-xx}}: văn bản có thẻ đánh dấu in xiên (trợ giúp) (Serbia: Константин Палеолог Драгаш), Kōnstantinos XI Dragasēs Palaiologos; 1404 - 1453) là vị Hoàng … Despite the machinations of his younger brother Demetrios Palaiologos his mother Helena was able to secure Constantine XI's succession in 1448. Constantine XI Dragaš Palaiologos, Latinized as Palaeologus (Greek: Κωνσταντινος ΙΑ' Δραγάσης Παλαιολόγος, Kōnstantinos XI Dragasēs Palaiologos; 8 February 1405 [1] [2] – 29 May 1453) was the last reigning Byzantine Emperor, [3] [4] [5] reigning as a member of the Palaiologos dynasty from 1449 to his death in battle at the fall of Constantinople. The stavraton was introduced (probably) by their grandfather, John V … Manuel Palaiologos (or Palaeologus) (1455–1512) was the youngest known son of Thomas Palaiologos and Catherine Zaccaria and as such the nephew of the final Byzantine emperor, Constantine XI. The Byzantine emperor Constantine XI Palaiologos (r. 1449-1453 CE) refused, and on 6 February 1453 CE, the siege of Constantinople began. wikipedia Emperor Constantine sent out pleas for aid. Manuel II married Helena Dragaš . After the retirement of Theodore in 1443, he governed together with Constantine, until the latter became emperor (Constantine XI… Emperor Constantine XI Palaiologos is not only remembered for being the last Byzantine Emperor who put up a brave last stand against the Ottomans, but also for his last speech to his officers and allies before the Fall of Constantinople on May 29, 1453 by Ottoman Sultan Mehmet II. By the time of his death in 1508, he served the Papal States, having risen through the ranks to become the commander of the Papal Guard. He was married three times. Constantine Palaiologos or Palaeologus (Greek: Κωνσταντῖνος Παλαιολόγος, romanized: Kōnstantinos Palaiologos; died 1508) was a 16th-century noble of Greek descent who served as a soldier in Italy. Their sons included Andronikos IV Palaiologos (1348–1385) and Manuel II Palaiologos (1350–1425). The Constantine XI Hoard included 35 stavrata of Constantine XI and 24 stavrata of his brother John VIII. [1] Constantine XI Palaiologos, Latinized as Palaeologus (Greek: Κωνσταντῖνος ΙΑ' Δραγάσης Παλαιολόγος, Kōnstantinos XI Dragasēs Palaiologos; 8 February 1404 – 29 May 1453) was the last reigning Byzantine Emperor and the last Roman emperor, reigning as a member of the Palaiologos dynasty from 1449 to his death in battle at the fall of Constantinople. [edit]Marriages. Like other imperial sons, Thomas Palaiologos was made a Despot (despotēs), and from 1428 joined his brothers Theodore and Constantine as governor of Morea. Constantine XI Palaiologos: 6 January, 1449 - 16 December, 1489 2 Andreas Palaiologos: 16 December, 1489 - 27 March, 1499 3 Thomas Palaiologos: 27 March, 1499 - 2 August, 1524 Second Palaiologos Phase # Name Portrait Reign 4 Antigone I Palaiologos "The Great" 2 August, 1524 - 10 February, 1552 5