Franz Ziereis
Franz Xaver Ziereis (13 August 1905 - 24 May 1945) was the commandant of the Mauthausen-Gusen concentration camp from 1939 until the camp was liberated by the Americans in 1945.
Personal facts
| Birth date | August 13, 1905 |
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| Date of death | May 24, 1945 |