Arnold L. lived at Droysenstr. 5 in Berlin-Charlottenburg prior to emigrating to Holland in the 1930s. His mother, Rosa Lewinsohn-Kirschner (01.02.1885 in Berlin) was deported on 29.01.1943 from Berlin to Auschwitz, where she perished. Arnold's father Hugo presumedly passed away before the war.
(Gedenkbuch Berlins, Death Books of Auschwitz)