Borić is mentioned by Byzantine Greek historian John Kinnamos in his history book covering years 1118–1176, where he was referred as Hungarian ally, not a vassal as often considered by historiography.
When the Hungarian force raised the siege of Braničevo and headed west for Belgrade, Byzantine emperor Manuel I Komnenos sent a detachment to attack the Bosnian troops.
According to Vladimir Ćorović, he was not a native Bosnian; it is believed that his origins should have been trace in Slavonia, in the Grabarje area in župa Požega.
[6] Ladislaus managed to gain the throne, but he died shortly afterwards (14 January 1163[7]), upon which Stephen IV took it with Byzantine help.
[6] In 1163 at Esztergom, Stephen IV issued a charter in which he confirmed ban Beloš's decision that the Dubrava forest belongs to the Bishopric of Zagreb; among witnesses were Borić, listed after Beloš, a Hungarian court member and palatine, and before other counts.
[11] In the 13th century his descendants had possessions on both sides of the river Sava, in the eastern and western parts of what is now the Požega County.