Gojčo or Gojslav was the

Ban of Croatia Ban of Croatia ( hr, Hrvatski ban) was the title of local rulers or office holders and after 1102, viceroys of Croatia. From the earliest periods of the Croatian state, some provinces were ruled by bans as a ruler's representative (viceroy) an ...

from c.1060 to c.1070. He succeeded

Stjepan Praska Stephen Praska ( Croatian: ''Stjepan Praska'') was Ban of Croatia under King Stephen I. According to the chronicle of Archdeacon Goricensis John, he was established by king Stephen I around 1035 (after his military expeditions to the east), thus s ...

as ban. He was most likely the brother of king

Peter Krešimir IV of Croatia Peter Krešimir IV, called the Great ( hr, Petar Krešimir IV. Veliki) was King of Dalmatia and Croatia from 1059 until his death in 1074 or 1075. He was the last great ruler of the Krešimirović branch of the Trpimirović dynasty. Under Peter ...

, who was rumored to have murdered his brother Gojslav.Tomislav Raukar, Hrvatsko srednjovjekovlje, Školska Knjiga, Zagreb, 1997 pp. 47-48 He was succeeded by

Zvonimir Zvonimir is a Croatian male given name, used since the Middle Ages. During Yugoslavia, the name became popular in other ex-Yugoslav republics like Croatia and Slovenia.{{citation needed, date=February 2014 People named Zvonimir * Demetrius Zvo ...

, who also later became king.

References

http://hrcak.srce.hr/file/121283
11th-century Croatian people Bans of Croatia 11th-century rulers in Europe 11th-century Croatian nobility {{Croatia-bio-stub