David Kalkoene and Betje Aandagt married in 1902. They had at least nine children. Four of them, Abraham, Aaltje, Sophia and Roosje lived on another address.
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In addition, a Jokos file (number 53205) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that …