Norbert's father Siegfried died in his hometown Dortmund in 1936, his mother Helene was deported from Dortmund to Theresienstadt July 1942 and further to Auschwitz Oct 1944
Addition
Norbert's father Siegfried died in his hometown Dortmund in 1936, his mother Helene was deported from Dortmund to Theresienstadt July 1942 and further to Auschwitz Oct 1944