Rajko Depreradović
Rajko Depreradović (c. 1710 – after 1764; also spelled Rajko Preradović) was a leader of colonists who settled free lands in what is now known as Donbas that were offered for settlement in 1752 to Serbs, Vlachs and other Balkan people of the Christian Orthodox faith to ensure frontier protection and development of the steppes.