I'm trying to trace my late father's family and have no idea where to start. He was born in Novi-Sad, Yugoslavia on 21st March 1929 and his name was Alfred Klemm. He had one older brother, think his name was Reinholt?? His father's name was Hans Klemm and he was born in Sombor on 27th March 1897, he was married to Frida Schmidt. Unfortunately, i don't have a dob, or place of birth for Frida. I know that my grandfathers occupation was furniture merchant.
I think Novi-Sad and Sombor are located in Serbia, but not sure. Also names sound more German than Yugoslavian??
Hoping some kind person can offer me some advice on how to access info.