Rajko Depreradović
These Serbian colonels led their soldiers in various Russian military campaigns; in peacetime, they kept the borderlands, along with the Cossacks, free from incursions by other states.Rajko Preradović's ancestors first settled in an area around Grubišno Polje, some 30 kilometers south-east of Bjelovar in Habsburg Military Frontier.His family was given Habsburg nobility in the seventeenth century for their military service to the crown and began using the Nobiliary particle.Rajko (Rodion) Stepanovich Depreradović arrived with his family and began to build and develop the homesteads in their new homeland.[4] A Preradović family moved from Počitelj, Čapljina in Bosnia and Herzegovina to Donja Krajina (modern Bjelovar-Križevci County) in 1750.