Note 903 — VII. MISCELLANEA FROM THE NEAR EAST (continued 2)
Reading edition
Another theory is that he received the ducal title from the Pope in 1449, when he turned Catholic, or the King of Aragon, or that he took it with the agreement of the Sultan. (Wiss. Mitth. III. 503-09; X. 103 n.; Thallóczy, Studien zur Geschichte Bosniens und Serbiens im Mittelalter, 146-59.) But he is styled dux terre Huminis as early as Aug. 23, 1445 (Mon. sp. hist. Slav. Mer. XXI. 226), “Duke of St Sava” in 1446 (Farlati, l.c.), and “Duke” in a dubious inscription of that year (Wiss. Mitth. III. 502).