His father had with his brothers
Strojimir and
Gojnik, defeated the
Bulgar Army sent by
Tsar Boris I of Bulgaria and led by his son
Vladimir. Vladimir was captured together with 12
boyars. Boris I and Mutimir agreed on peace (and perhaps an alliance In the 880s, Mutimir seized the throne, exiling his younger brothers and
Klonimir, Strojimir's son, to the court of Boris I in the Bulgar Khanate.
Petar, the son of Gojnik, was kept at the Serbian court of Mutimir for political reasons, Bran was defeated, captured and blinded (a
Byzantine tradition meant to disqualify a person from taking the throne) His only son,
Zaharija, remained in
Constantinople for a long period before successfully seizing the throne with Byzantine aid, ruling from 922–924. ==Legacy==