Hermann Kratzenstein, a factory worker, was a witness at the wedding of his niece Berni Winter to Karel van Gelder. The wedding was performed on 6 October 1942 at Westerbork transit camp. He signed the marriage certificate.
Record of marriage certificates of the Westerbork Municipality, currently at…
In addition, a Jokos file (number 1377) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.