Betsie Mok-Turksma 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. A photograph remains for each official. Betsie Mok-Turksma was an assistant cook at the Dutch-Jewish Joles Hospital.
Betsie Mok-Turksma was married and lived with her husband in Haarlem.
Jewish Historical Museum, Documents collection, inv.nr 1001
In addition, a Jokos file (number 55935) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 8516/9619).