Johann Alfred Erich Rosentreter was born on 22 Mar 1905 in Berlin, Berlin, Brandenburg, Germany; died on 19 Feb 1972 in Berlin, Berlin, Brandenburg, Germany.
Johann married Gertrud Emma Hardtke on 6 Sep 1930 in Berlin, Berlin, Brandenburg, Germany. Gertrud was born on 22 Aug 1904 in Berlin, Berlin, Brandenburg, Germany; died before 2014. [Group Sheet] [Family Chart]