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
Austria under National Socialism previous two days in his birthtown of Braunau am Inn, made a triumphal entry into Vienna and gave a speech on Heldenplatz in front of tens of thousands of cheering people, in which he boasted of his "greatest accomplishment": ""As leader and chancellor of the German nation and Reich I announce to German history now the entry of my homeland into the German Reich."" Ernst Kaltenbrunner from Upper Austria, sentenced to death in 1946 at the Nuremberg trials, was promoted SS-Brigadeführer and the leader of the SS-upper section Austria. Beginning on March 12 and during the subsequent weeks 72,000 people