Eugen and Frida Rosenberg Family Collection

This collection documents the family of Eugen Rosenberg and Frida Giglio Saenger Rosenberg née Magnus, in particular two of their sons, actor Hans-Karl Rosenberg (stage name Hans-Karl Magnus) and electrician Herbert Rosenberg. It includes a large amount of correspondence between Frida, Hans-Karl, and Herbert Rosenberg during World War Two.

Materials relating to Eugen Rosenberg include business documents, such as his joining and later managing the bank Gottschalk und Magnus; personal documents such as calling cards, birthday cards for his mother Ida, a small notebook, a lease for an apartment, and estate documents; certificates from the Corporation der Kaufmannschaft (1895), Gesellschaft der Freunde (1899), Magine Reim (1899), Brüder Verein (1901), and the Verein junger Kaufleute von Berlin (1909); and documents, membership cards, and ephemera from various fraternal organizations, including a 1911 membership list of the "Brüder-Verein zu gegenseitiger Unterstützung, Berlin."

Materials relating to Frida Giglio Saenger Rosenberg née Magnus include various residence and travel documents from Germany, Italy, Belgium, England, and the United States, as well as marriage and citizenship papers and ephemera such as calling cards and menus. Also found here is the guest book for the Pension Windsor, which she and husband Max Saenger ran in Florence, and a scrapbook of clippings of theater programs, which includes three loose programs from Lübeck and Berlin that feature her son, Hans-Karl Rosenberg (under his stage name, Hans-Karl Magnus).

Frida Rosenberg's correspondence includes letters from her sons Hans-Karl (from Shanghai, Australia, England, and Germany, as well as some correspondence about Hans-Karl's whereabouts during the war) and Herbert, as well as general correspondence with friends and family, including her brother-in-law Hugo Rosenberg, her second husband Max Saenger, her sons Heinz and Julius Rosenberg, and German politician August Bebel, as well as condolence letters after the death of her first husband.

Herbert Rosenberg materials include many dozens of letters from his mother Frida during the war, many in the form of V-mail (victory mail); letters from his brother Hans-Karl, from Shanghai, Australia, England, and Germany, as well as some correspondence about Hans-Karl's whereabouts during the war; post-war letters from Julie Bennies, who had been a landlord to Herbert and Hans-Karl in Germany; and correspondence from various friends and family, including three 1941 letters from his brother Julius in Amsterdam. Much of the correspondence is in English, and remainder is in German. Documents related to Herbert Rosenberg include travel and identification materials, immigration affidavits (including one from noted art historian Julius S. Held), references, and Army induction letters.

Hans-Karl Rosenberg materials include reviews of his acting work in the Jewish and non-Jewish German press; a manuscript of a novella; some official and educational documents; tickets for his performances; and an obituary and death announcement from Aufbau.

Other materials relate to Julius Rosenberg (clippings and letters about his death in the Holocaust); the Magnus family (correspondence and business documents); and Heinz Eitel Rosenberg (immunization and residence documents).