Zacharias Blog married three times. His last marriage was with Clara Wertheim. The couple had four children. During the war, Clara Wertheim was hospitalised at the psychiatric institution 'Apeldoornse Bos'.
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The youngest daughter of this family, Wilhelmina, resided at the Centraal Israëlitisch Wees- en Doorgangshuis in Leiden. Wilhelmina died during…