A mụrụ Nikola Tesla onye agbụrụ Serb n'obodo Smiljan, Lika County, na Austrian Empire (nke dị ugbu a Croatia), na 10 July [O.S. 28 June] 1856. Nna ya, Milutin Tesla (1819<unk>1879), bụ onye ụkọchukwu Eastern Orthodox. Nne Tesla, Đuka Tesla (née Mandić; 1822<unk>1892), onye nna ya bụkwa onye ụkọchukwu Orthodox, nwere onyinye maka imepụta ngwa ọrụ ụlọ na ngwa igwe na ikike icheta abụ uri nke Serbian. Đuka enwetụbeghị agụmakwụkwọ. Tesla kwetara na ncheta ya na ikike okike ya na mkpụrụ ndụ ihe nketa nne ya na mmetụta. Ndị nna nna Tesla si n'ebe ọdịda anyanwụ Serbia, dị nso na Montenegro. Tesla bụ nwa nke anọ n'ime ụmụ ise. O nwere ụmụnne nwanyị atọ, Milina, Angelina na Marica Higmet, bụ ndị okenye Austrian, aha ya bụ Danish.
Milka, Angelina na Marica,