Ka cika wannan jumlar: A lokacin garin Becej yana ƙasar Hungary, kuma sa'ad da bai kai shekara ɗaya ba iyalinsa sun yi hasarar kome a cikin hargitsi na juyin juya hali na shekara ta 1848. Mahaifinsa, wanda ya yi yaƙi a cikin
juyin juya hali, ya mutu a 1856, wani mutum ya karye. Mahaifiyarsa ta yi imani sosai da ilimi kuma ta yi isasshen kuɗi don kiyaye shi, da 'yan'uwansa biyu, a makaranta. Aleksandar Popović ya koyar da wasu ɗalibai kuma ya sami tallafin karatu don kammala karatunsa na asali a Pest. Babban ɗan'uwansa Stephan ya sami fifiko tare da Yariman Serbia Alexander Karađorđević wanda ke zaune a Pest a lokacin, don haka ya sami damar tallafawa dangin, yana ba Aleksandar Popović damar halartar Jami'ar Budapest inda ya yi karatun ilimin ƙasa a ƙarƙashin Farfesa József Szabó.