Left Düsseldorf on the 9th of December 1933 to Würzburg/Germany. Then emigrated to the Netherlands. In April 1942, they lived in Bodegraven/The Netherlands, street: Noordzijdje 104.
In the German town Würzburg so called 'Stolpersteine' (stumbling blocks) are placed in the pavement in remembrance of Ernst, Ruth en Jan Ruschkewitz. See for additional information the website Stolpersteine Würzburg.
A Liro card exists for this family. The original cards are kept at the Nationaal Archief (National Archive) at The Hague.
"Berga an der Elster"was operated to dig 17 tunnels for an underground ammunition factory. Workers were supplied by Buchenwald concentration camp and from Stalag IX-B.