Uroš II, Grand Prince of Serbia
Uroš II (), also known as Primislav (Примислав) or Prvoslav (Првослав), was Serbian Grand Prince from 1145 to 1162, with brief interruptions as ruler by Desa, his brother. His rule was characterized by a period of power struggle, not only of the Serbian throne between the brothers but between the Byzantine Empire and Kingdom of Hungary, of which he took advantage. He had two brothers Desa and Beloš, and a sister Helena of Serbia, Queen of Hungary. Furthermore, Uroš II also had to contend with the Second Norman invasion of the Balkans (1147-1149). Background Grand Prince Vukan I (r. 1083–1112) initially ruled Rascia under the overlordship of Constantine Bodin, the titular King of Doclea. Bodin renounced the Byzantine Empire in 1089, when he turned to the Pope, who raised the bishopric of Bar to an Archbishopric. In 1089 or by 1091, the Byzantines invaded Doclea, capturing Bodin. Civil war ensued in Doclea, and Rascia asserted independence. Vukan immediately raids Byzantine territory, first in Kosovo, then northern Macedonia. As the Emperor had affairs in other parts of the Empire (Levounion, Crusade), Vukan accepts and then breaks the peace treaties signed between the two, back and forth, until 1106 when the final