Location Sigmaringer Straße 26 District Wilmersdorf Stone was laid 03 April 2025 Born 03 March 1931 in Berlin Deportation on 29 January 1943 to Auschwitz Murdered in Auschwitz Stolperstein Hanni Vortrefflich © Hupka, H.-J. Stolperstein Hanni Vortrefflich © Hupka, H.-J.