Regiene van der Stam was the widow of Gerson van Os. She attended the wedding ceremony of her daughter Emilje van Os to Michel Cosman which took place on 28 August 1942 in Westerbork transit camp. Regiene van der Stam signed the marriage certificate.
Record of marriage certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
Biography