Prijezda (fl. 1438), vojvoda (duke) in Novo Brdo Oliver Kosijer, knez (comes) in Rudnik Despot Lazar Branković Stefan Zahić (fl. 1457), court man of despot Lazar Branković Paskoje Ćeljubinović (fl. 1457-1459), trustee of despot Lazar Radoslav (fl. 1457), treasurer Despot Stefan Branković Bogdan Čokeša (fl. 1458), nobleman See also Serbian noble titles in the Middle Ages Sebri, lower-half social class, commoners, in the medieval Serbian state References Sources Further reading Blagojević, M. "Vladar i podanici, vlastela i vojnici, zavisni ljudi i trgovci." Rulers and subjects, lords and soldiers, dependent people and traders). In Cirkovic (ed.): 141-156. Иванић, Б. "Прстење српске средњовековне властеле." (1998). Острогорски, Георгије. "Душан и његова властела у борби са Византијом." Зборник у част шесте стогодишњице Законика цара Душана 1 (1951): 79-86. Topalović, Živko, and Marko Milutinović-Piper. Sebri i vlastela: društveni poredak u staroj srpskoj državi. Srpska književna zadruga, 2002. Medieval Serbian state Nobility Feudalism in Serbia