reposting as the message I posted was deleted :
RAJKOVIĆ families that lived in this area at the time your ancestor was born were neither German nor Romanian - or Hungarian. They were:
-ethnic Croatian (Šokci) family RAJKOVIĆ that lived in nearby STARČEVO village. They were Roman Catholic:
http://www.zkvh.org.rs/index.php/batina/povijest/797-starevo...- ethnic Serbian family RAJKOVIĆ that lived in PANČEVO. They were Eastern Orthodox (Serbian Orthodox):
http://pancevac-online.rs/index.php?module=section&issue...Serbian Genealogy Society SGS "Rodoslovlje"
http://www.rodoslovlje.com/en