Hannelore and her parents Abram and Sara Sonja emigrated from Berlin after 1933. Her father was a pianist. The parents lived in Rotterdam before being deported. See the Theresienstadt Memorial Books and Testimonials on Yad Vashem.
Bloch, Abram
18.08.1898 in Taganzog, Russia
Deportation: 04.09.1944 from Westerbork to Theresienstadt; 16.09.1944, Auschwitz
Bloch, Sara Sonja geb. Labok
05.03.1900 in Riga
Deportation: 04.09.1944 from Westerbork to Theresienstadt; 16.09.1944, Auschwitz