Matthew Asen Kantakouzenos or Cantacuzenus (Greek: Ματθαῖος Ἀσάνης Καντακουζηνός, romanized: Matthaīos Asánēs Kantakouzēnós, c. 1325 – June 1383) was Byzantine Emperor from 1353 to 1357 and later Despot of the Morea from 1380 to 1381.
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