Wikipedia
Zavida or Beli Uroš (White Uroš) was a 12th-century Serbian royal who briefly ruled as Župan of Zahumlje and later held the title "Lord of Ribnica".
He was a close kinsman, or even a son, of Uroš I of Rascia, although this has not been clarified (Stefan Nemanja's descendants are named Vukan and Uroš in several generations).
He ruled the province of Zahumlje before getting into conflict with his brothers, resulting in him being "exiled" (before 1113), to the Duklja region where he would hold the title of Lord of Ribnica (Part of present-day Podgorica). After the death of George of Duklja in the 1130s, the family of Zavida regained some of its power in Serbia.
The first-born child of Zavida, Tihomir was chosen to rule over Rascia as a Grand Župan (highest title) following Byzantiums division of the Serb lands by Manuel I, his other sons were given česti (parts): Stracimir ruled West Morava, Miroslav ruled Zahumlje and Travunia, Stefan Nemanja was given Toplica, Ibar, Rasina and Reke.