Undo, John (? – Chernomen of R. Maritsa, 26. ⅸ 1371) – The despot in the Serve area (1365-1371), Brother and Constant of King Wal-Kashin. He participates in the Kosovo battle (1369), when together with King Volkashin defeated the coalition armies of Lazar Hrebebelovic, Nikola Althomanovic and Emperor Uros V. He was in a permanent war with the Turks that were at the borders of his area. Perish along with King Volkashin in the Battle of R. Maritsa, when militarily opposite Ottoman penetration. Lit.: Constantine Jirstek, Serbian Emperor Uros, Kral Vukashin and Dubrovcani, Proceeding Konstantina Jured, and, Belgrade, 1959, 341-385; Stojan Novakova, SR-BI and Turks, Belgrade, 1960; Georgi Isvegoria, Serska Specialization after Dushanve, Byzantium and Slavs, Belgrade, 1970, 435-456; Biljana Ristovska-Josifovska, King Volkashin and Underka Malenjaki in the work of the Mavrene Orbini Kingdom of the Slavs, “Balsanovica”, 26-27, 1999-2000, 171-183. B. R.-J.
Original article in Macedonian language Cyrillic alphabet
Кириличен напис УГЛЕША, Јован