John Doukas (megas doux)
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John Doukas was a member of the Doukas family, a relative of Byzantine emperor Alexios I Komnenos and a senior military figure of his reign. As governor of Dyrrhachium, he secured the imperial possess
Miniature of the Emperor Alexios I Komnenos
Chaka Bey
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Chaka Bey, was an 11th-century Seljuk military commander of Oghuz Turk origin who ruled a vassal state of the Seljuks based in Smyrna. Originally in Byzantine service, he rebelled and seized Smyrna, m
John Doukas (megas doux)
…secured the imperial possessions in the western Balkans against the Serbs. Appointed megas doux, he scoured the Aegean of the fleets of the Turkish emir Tzachas, suppressed rebellions in Crete and Cyprus, and then recovered much of the western coast of Anatolia for Byzantium. John Doukas was born c. 1064, the…
Modern representation of Tzachas in the Istanbul Naval Museum