Sergius, Patrician of Lazica
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Sergius, son of Barnucius, was a ruler (patrician) of Lazica on the eastern Black Sea, in what is now western Georgia, who, c. 696/697, revolted from the Byzantine hegemony and acknowledged the suzerainty of the Arabs. Sergius' defection during the Arab–Byzantine wars is reported by Theophilus of Edessa and Agapius of Hierapolis.[1]