Alois Hitler (born Alois Schicklgruber, 7 June 1837 - 3 January 1903) was the father of Adolf Hitler. His third marriage, from 1883 until his death, was to Adolf's mother, Klara. He was an Austrian customs official. He retired to a farm in 1895. He died of a stroke.
- "Adolf Hitler". Encyclopædia Britannica Online. http://www.britannica.com/EBchecked/topic/267992/Adolf-Hitler. Retrieved 27 February 2011.