The siblings Berta, Fritz, Alfred and Stephan Franz Sänger came from Augsburg and all settled in Munich.
In memory of the Sänger family, an event was held in the rotunda of the City Archive in Winzererstraße on 24 May 2023. Dr Daniel Baumann, Head of the Munich City Archive, and City Councillor Dr Evelyne Menges, representing the Lord Mayor of the City of Munich, as well as Barbara Hutzelmann from the City of Munich's Department of Culture, spoke at the event. Family members then had their say: Nancy Freund-Heller, a relative and initiator of the memorial signs, spoke about the Sänger family, Jeffrey Heller read the poem Sh'mah by Primo Levi, Sandra Freund Coonley read Each of Us Has A Name by Zelda, Nancy Freund-Heller concluded by reciting Psalm 92 Tzadkik Katamar by Louis Lewandowski, and the Kaddish was said.
During the course of the day, the memorial signs for the siblings and their families were presented at four addresses - the respective former places of residence of the siblings: