Herman Drievoet and Cornelia Bachrach married in 1914 in The Hague. At the end of 1922 the family moved to Cologne, but returned after a few months. They had three children: Henriette, Philip and the here mentioned Levy.
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In addition, Jokos files (numbers 10671, 52500) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.