Zacharias Blog was a son of Gabriel Blog and Elisabeth de Korte. He married in Amsterdam on 12 October 1010 to Christina Petronella de Graaff, daughter of Cornelis de Graaff and Berendina van Wezep. Together they had five children: Elisabeth Christina, Zacharias, Cornelis, Christina Petronella and Rosette, who all survived the war. On 12 August 1914 his wife passed away and Zacharias remarried on 5 September 1918 to Judik Sanders from Den Haag, aged 39, daughter of Jacob Salomon Sanders and Hesje van der Kloot. However, she passed away two years later on 21 June 1920, after which Zacharias married for the 3rd time to Clara Wertheim, daughter of Jonas Wertheim and Rebecka Levij. With Clara Wertheim, Zacharias had another four children: Gabrielle, Rebecka Clarisse, Wilhelmina and Elisabeth Zacharia who survived the Holocaust.
City ARchive of Amsterdam, archive card of Jonas Wertheim, Zacharias Blog and website www.wiewaswie.nl.
Biography