Beloje was the Župan

Zupan

Żupan was a long garment, always lined, worn by almost all males of the noble social class in the Polish-Lithuanian Commonwealth, typical male attire from the beginning of the 16th to half of the 18th century, still surviving as a part of the Polishnational dress.- Derivation :The name żupan has...

(Lord or Count) of Travunia

Travunia

Travunia was a medieval region, administrative unit and principality, which was part of Medieval Serbia , and in its last years, the Bosnian Kingdom . The county became hereditary in a number of noble houses, often kin to the ruling dynasty. The region came under Ottoman rule in 1482...

 in the early 9th century, a fief of the Serbian Principality under Prince Vlastimir (r. 836-851). He may have had the position under Vlastimir's predecessors; Radoslav

Radoslav of Serbia

Radoslav was a Serbian Prince who ruled over the Serbs from 800 to 822, he succeeded his father Višeslav who united the Serbian tribes, resulting in the formation of Raška in the 8th century...

 or Prosigoj

Prosigoj

Prosigoj was a 9th-century Serbian Prince that ruled the Serbian Principality from 822 to 836.-Biography:He was the son of Radoslav. Prosigoj or his father was the ruler of Serbia during the uprisings of Ljudevit Posavski against the Franks...

 (fl. 819). Beloje is the first known ruler, or in any case, holder of office in Travunia (a province centered in Trebinje

Trebinje

Trebinje is the southernmost municipality and town in Bosnia and Herzegovina. It is administratively part of the Republika Srpska entity and is located in southeastern Herzegovina, some from the Adriatic Sea....

, modern Bosnia and Herzegovina

Bosnia and Herzegovina

Bosnia and Herzegovina , sometimes called Bosnia-Herzegovina or simply Bosnia, is a country in Southern Europe, on the Balkan Peninsula. Bordered by Croatia to the north, west and south, Serbia to the east, and Montenegro to the southeast, Bosnia and Herzegovina is almost landlocked, except for the...

), mentioned in the De Administrando Imperio

De Administrando Imperio

De Administrando Imperio is the Latin title of a Greek work written by the 10th-century Eastern Roman Emperor Constantine VII. The Greek title of the work is...

, by Emperor Constantine VII

Constantine VII

Constantine VII Porphyrogennetos or Porphyrogenitus, "the Purple-born" was the fourth Emperor of the Macedonian dynasty of the Byzantine Empire, reigning from 913 to 959...

 (945-959).

Sometime after the Bulgaro-Serb War (839-842), Beloje's son Krajina

Krajina Belojević

Krajina Belojević was the župan of Travunia, an administrative unit of the Principality of Serbia, in the 9th century. In 847/848, not long after the three-year Bulgarian–Serbian War in which Prince Vlastimir of Serbia Krajina Belojević was the župan of Travunia, an administrative unit of the...

 marries the daughter of Vlastimir and receives Travunia as an appanage

Appanage

An apanage or appanage or is the grant of an estate, titles, offices, or other things of value to the younger male children of a sovereign, who would otherwise have no inheritance under the system of primogeniture...

 to rule in his name. Beloje's descendants are entitled the rule of Travunia. There are no more mentions of the family after the Byzantine annexation of Serbia in 969-976.

Sources

• Constantine Porphyrogenitus
  Constantine VII
  Constantine VII Porphyrogennetos or Porphyrogenitus, "the Purple-born" was the fourth Emperor of the Macedonian dynasty of the Byzantine Empire, reigning from 913 to 959...
  
  , De Administrando Imperio
  De Administrando Imperio
  De Administrando Imperio is the Latin title of a Greek work written by the 10th-century Eastern Roman Emperor Constantine VII. The Greek title of the work is...
  
  , edited by Gy. Moravcsik and translated by R. J. H. Jenkins, Dumbarton Oaks Center for Byzantine Studies, Washington D. C., 1993