Adolf Hitler Leopold Frankenberger had fathered Alois. No Frankenberger was registered in Graz during that period, and no record has been produced of Leopold Frankenberger's existence, so historians dismiss the claim that Alois's father was Jewish. Adolf Hitler was born on 20 April 1889 in Braunau am Inn, a town in Austria-Hungary (in present-day Austria), close to the border with the German Empire. He was christened as "Adolphus Hitler". He was the fourth of six children born to Alois Hitler and his third wife, Klara Pölzl. Three of Hitler's siblings—Gustav, Ida, and Otto—died in infancy. Also living in the household were Alois's
Serbs in Austria real number of ethnic Serbs in Austria is estimated to be much higher – e.g. the membership of "Serbische Gemeinschaft in Österreich" ("Savez Srba u Austriji"), an ethnic Serb association in Austria, exceeds 250,000 people. The common estimation is a total of 300,000. The Österreichisch Serbische Gesellschaft (Austrian Serbian Society) was founded in 1936 as "Österreichisch-Jugoslawischen Gesellschaft". Serbs were a notable minority of the Habsburg Monarchy, having settled Central Europe following the Ottoman conquest of Serbia. The Serbs with the aid of Austrian troops occupied Serbia in 1686–91, established the Kingdom of Serbia (1718–39), and occupied it again in 1788–92.