The name of Friederika Zilversmit appears on a handwritten list of the individuals who held offices within the Dutch-Jewish Community in Haarlem during the early years of the war. Photos remain of all the staff members. Friederika Zilversmit supervised the cleaning of the Community Hall of the Dutch-Jewish Community in Haarlem.
Friederika Zilversmit was at that time unmarried. She lived at 14 Lange Wijngaardstraat in Haarlem.
Jewish Historical Museum, Documents collection, inv.nr 1001
Friederieka Zilversmit got married to 458391 at the transit camp Westerbork on 27 August 1942.
Record of marriage certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen