Mejlech Dunkelblau and Ryfka Schwarz were both born in Rzeszów, Poland. Anna Dunkelblau was born on November 15, 1906. Mejlech and Ryfka lived unofficially separated. Mejlech was deported on transport XXIV from the Dossin Barracks to Auschwitz-Birkenau and was murdered there. Ryfka and Anna were not deported and survived the war.

Louis Alexander fled Germany in 1934. He married Elisabeth Nykerk in Schaerbeek on August 6, 1938. Louis was arrested in 1940 and deported to Perpignan in France. After his release, he was arrested again and deported with transport XXIV. Louis died in 1945 in Theresienstadt. Elisabeth presumably stayed in the Netherlands and survived.

Robert was the ‘nom de guerre’ Israel Majer Mandelbaum used in the Jewish Defence Committee (CDJ). A Jew from Lublin, like his wife Estera Wajnmann, he emigrated to Brussels with her in 1932.

Simon Guterman was born in Brussels in 1916, while his wife, Liba Bywalska, emigrated from Poland in 1922. A Jew of Belgian nationality he served in the Eighteen Day Campaign.

The Borisewitz family had four sons. Jacques was deported from France in 1942 and never returned. Simon joined the resistance, but was taken from the Dossin barracks with his family and mother and then murdered. Oscar, a pilot in the Belgian air force, flew to Morocco in 1940 where he died in 1942. Youngest son Robert managed to flee to Brazil and was the only member of the family to survive the war. In 2019 his children, grandchildren, nephews and other family members deposited more than 300 documents and photographs about their family history with Kazerne Dossin.