Anna Glasl-Hörer was the first wife of Alois Hitler, Adolf Hitler's father. Born in 1823, she came from a relatively wealthy family and was around 14 years older than Alois. Her marriage to him was complex, given Alois's status as an illegitimate child with an uncertain family background, which was socially significant in Austria during the 19th century When Anna Glasl-Hörer was born on 26 March 1823, in Theresienfeld, Wiener Neustadt-Land, Lower Austria, Austria, her father, Josef Glaßl, was 31