“Secrets of the Fuhrer’s Family: What Hitler’s Relatives Were Really Doing During WWII”
But, I mean, if you can’t trust the word of a mass murdering Nazi about to be executed for war crimes few others in history have managed to match, and probably pretty pissed at his former boss for him being in that position at the time, who can you trust?
Expand for References
https://it.everand.com/read/595093274/Hitler-s-Father-Hidden-Letters-Why-the-Son-Became-a-Dictator
https://it.everand.com/article/603670721/The-Hitler-Who-Fought-For-The-Allies
https://it.everand.com/article/449323302/The-Other-Hitler
http://www.americainwwii.com/articles/corpsman-hitler-us-navy/
https://allthatsinteresting.com/william-stuart-houston
https://allthatsinteresting.com/geli-raubal
https://www.vanityfair.com/news/1992/04/hitlers-doomed-angel
https://rupertcolley.com/2015/06/04/geli-raubal-hitlers-niece-a-summary/
https://ancestors.familysearch.org/en/KZT2-B2W/elfriede-maria-raubal-1910-1993
https://ww2gravestone.com/people/raubal-leo-rudolf/
https://www.rbth.com/history/333453-how-hitlers-nephews-ussr