Born about 1339, Elizabeth was the daughter of Ban Stephen II of Bosnia, the head of the House of Kotromanić. Her mother was Elizabeth of Kuyavia, a member of the House of Piast and grandniece of King Vladislaus I of Poland. In 1349, the fourteen-year-old queen of Hungary, Margaret of Luxembourg, died from the Black Death.
Stephen Ostoja is considered a member of the House of Kotromanić but his exact relation to his predecessors is unknown. He was possibly an illegitimate son of King Stephen Tvrtko I of Bosnia.  Despot. Lazar Branković of Serbia died in 1458.
Coat of Arms of Hungary's founding dynasty Árpád and its cadet branches Kotromanićs and Berislavićs Doborski.In their 19th century forgery Fojnica Armorial, Franciscans in Bosnia replaced original Arpadian red in Kotromanić Coat of Arms with Anjou blue, and assigned the Coat of Arms to the non-existent family "Kotromanić Tvrtković", while at the same time renaming the Kotromanić into ...
The House of Babenberg was the ruling noble family of Austria from 976 to 1246. Originally from Bamberg in Franconia in present-day Bavaria, the Babenbergs were counts, margraves, and dukes in the Danube region of present-day Upper Austria, Lower Austria, and Styria. The Babenberg family can be broken down into two distinct groups: 1) The Franconian Babenbergs, the so-called Elder House of ...
Zachlumia is a derivative of Hum, ... The region was overwhelmed by the House of Kotromanić from Bosnia in 1322-1326. ... Steven (1982).
Born around 1339, Elizabeth was the daughter of Ban Stephen II of Bosnia, the head of the House of Kotromanić.  Her mother was Elizabeth of Kuyavia, a member of the House of Piast  and grandniece of King Vladislaus the Short of Poland.  In 1349, the fourteen-year-old queen of Hungary, Margaret of Bohemia, died from the Black Death. 
According to "The Fall of Constantinople 1453" (1965) by Steven Runciman, Mary later joined the harem of an unnamed Turkish general.  The "Massarelli manuscript" of the 16th reports that Tomašević and Mary had children.
Steven Runciman, "A history of the First Bulgarian Empire", Book III THE TWO EAGLES, CHAPTER III The end of an empire: "In the west of Bulgaria, at the time of the Russian invasions, there lived a count or provincial governor called Nicholas. By his wife Rhipsimé he had four sons, whom he named David, Moses, Aaron, and Samuel; to the world ...
^ Steven Runciman, The medieval Manichee: a study of the Christian dualist heresy, Cambridge University Press, 1982 ^ a b John Van Antwerp Fine, The Bosnian Church: Its Place in State and Society from the Thirteenth to the Fifteenth Century , Saqi in association with The Bosnian Institute, 2007
Várdy, Steven Béla; Grosschmid, Géza; Domonkos, Leslie S. (1986). Louis the Great: King of Hungary and Poland. East European Monographs. ISBN 0-88033-087-2. Varga, Domonkos (1982). Hungary in greatness and decline: the 14th and 15th centuries. Hungarian Cultural Foundation. ISBN 0-914648-11-X