Jacob van der Heym was the son of Levie Lion van der Heym and Elizabeth van Daelen. Jacob married in 1894 in Rotterdam to Sientje Brandon.
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In addition, a Jokos file (number 35156) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodg…