John III Megas Komnenos or Grand Comnenus (Greek: Ἰωάννης Γ΄ Μέγας Κομνηνός, Iōánnēs G′ Mégas Komnēnós; c.– 1362) was emperor of Trebizond from September 4, 1342, to May 3, 1344. He was a son of Emperor Michael of Trebizond (who had reigned for a day in 1341) and Acropolitissa, a daughter of Constantine Acropolites.
Born |
1321
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Died |
1362 (aged 40)
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Zodiac | |
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