Hartog van Lochem, a son of Jacob van Lochem and Esther Rootveld, married 7 April 1926 in Amsterdam to Mietje Zwaap, a daughter of Levie Zwaap and Jannetje Slager. website www.wiewaswie.nl.
In addition, a Jokos file (number 52702) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.