 Ninković, was a cavalry officer in the Royal Yugoslav Army and a prominent lawyer educated in France and Kingdom of Yugoslavia, who was imprisoned and persecuted after the communist government was established in Yugoslavia in 1944 and his mother, Višnja (née Popović), also studied law at the University of Belgrade.They both believed in individual human rights and the rule of law which were trampled by the communist revolution.This influenced Djurdje in his belief that for Serbia to move forward it was first necessary to fully dismantle the legacy of the communist dictatorship.