Hitler, Giesler, Hiedler, Güttler, Schicklgruber: all possible Führer names
At one time it was said that Hitler’s surname was not real. Such a rumor had real roots. The fact is that Hitler’s father, Alois, bore his

mother’s surname until the age of 40, because he was born out of wedlock.
Alois Schicklgruber-Hitler
Maria Anna Schicklgruber took a boy’s walk, and when Alois was 5 years old, she married a miller named Hiedler.
The son, in order not to interfere with his mother’s personal life, was sent to be raised by her husband’s wealthier brother. His name was Güttler. Discrepancies in the surnames of relatives in German villages in those days (1830s) were quite normal.
Who was the real father of Alois has not been established for certain.
When Hiedler died, Güttler adopted the boy. However, he did not officially admit that he was the father, insisting that, allegedly, Hiedler had somehow let him slip that he himself had made a fool of Maria, then his conscience tormented him, and he got married.
Nevertheless, at that time there was also a church register of births. There, in the line with Alois’s name, next to the crossed-out entry “out of wedlock,” “married” appears. And the note in the margin read: “The father is recorded as Georg Hitler, being named by the mother Anna Schicklgruber and the witnesses.”

Adolf Aloisovich Hitler
Thus, in January 1877, Alois Schicklgruber began to be called Alois Hitler, although instead of the signatures of witnesses, there are three crosses in the parish register – people simply did not know how to write. And his children all bore the surname Hitler from birth, including the most famous of them.