Rainer Hoess' grandfather, Rudolf Hoess, was the Nazi commandant of Auschwitz concentration camp, and the man who oversaw the murder of an estimated 1.5 million people.
Rainer Hoess publicly denounced his grandfather and his life's mission is to try to make amends....
http://www.telegraph.co.uk/news/worldnews/europe/germany/11241714/Auschwitz-commanders-grandson-Why-my-family-call-me-a-traitor.html