Walter Benedikt, the only child of dental technician Max Benedikt (1867–1931) and his wife Pauline, née Hoffmann (1870–1903), joined his uncle Julius Benedikt's company, founded in 1903, as a general partner after comple

Eva Ida Benjamine Kantor was the second of three children of Hugo Kantor and his wife Wilhelmine Sofie Hedwig, née Preyss von Steinbühl.

Charles Weinberger was born in 1861 as the illegitimate son of the Viennese stage performer and operetta singer Helene Weinberger.