Claim: Jovan Oliver served in several court offices including as the despot of Stefan Dušan and as the veliki čelnik of Stefan Dušan, though he was never the first to serve in these positions.
Evidence: First despot of Stefan Dušan
1346–?
Served alongside:
Simeon Uroš and Jovan Asen Succeeded by
Dejan
as despot of Uroš V