Samuel Lopes Cardozo, a diamond worker, served as a witness at the marriage of his nephew Aron Lopes Cardozo to Koosje de la Fuente. The wedding was performed at Westerbork transit camp on 17 September 1943. Samuel signed the marriage certificate.
Record of marriage certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen