Clara Wertheim was a daughter of Jonas Wertheim and Rebecka Levij. She was married in Amsterdam on 12 April 1923 to Zacharias Blog, son of Gabriel Blog and Elisabeth de Korte. Clara was his 3rd spouse.
From the first marriage of her husband five children have been born, who all have survived the war. From the 2nd marriage of Zacharias, no children were born but Clara and Zacharias had again four c…