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
History of the Jews in Austria to Israel, and many others returned to Germany and Austria. In October 2000 the Judenplatz Holocaust Memorial was built in Vienna in memory of the Austrian Jews killed in the Holocaust. One of the notable prisoners of the Mauthausen concentration camp was Simon Wiesenthal, who after his release worked together with the United States army in order to locate Nazi war criminals. During the Hungarian Revolution of 1956 about 200,000 Hungarians fled over Austria to the west, among them 17,000 Jews. Seventy-thousand Hungarians stayed in Austria, a number of Jews among them. One of the best known of them is