Otto and Hanna are listed in the Breslau synagogue community address list (ca 1930) at Viktoriastrasse 118/120; no other obvious family members are listed at this address. In July 1942 they were recorded in Enschede, the Netherlands at Rietmolenstraat 1. They were deported from Westerbork transit camp to Bergen-Belsen concentration camp on 14.09.1943 and thence to Auschwitz concentration camp were they were murdered on 11.10.1944.