In 1435 he visited Sultan Murad II as an emissary of Maria Melissene, the widow of Antonio I Acciaioli, for his consent for the understanding, from himself and Maria, of his noble power in Athens.
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He taught Greek Literature at the University of Pavia (see Pavia) when he was very young and he translated some works of Cicero.
Speros Vryonis, ‘Laonikos Chalkokondyles and the Ottoman budget’, International Journal of Middle East Studies 7 (1976), 423-32, and reprinted in Vryonis, Studies on Byzantium, Seljuks and Ottomans, No.