Benjamin van Dantzich, sales representative, was married to Klara Roodenburg. They attended the wedding of their son Izak van Dantzich to Margaretha Rachel de Vries. The marriage was performed at Westerbork transit camp on 28 October 1942. The parents signed the marriage certificate.
Record of marriage certificates of the Westerbork Municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
In addition, a Jokos file (number 51001) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.