Betje Mullem was a daughter of Samuel Mullem and Joanna Salomon van Bever, a family with 9 children. One brother and one sister died before the war. The others, Eva, Salomon, Hartog, Jacob, Duifje and Judith did not survive the Holocaust.
Betje married in Weesp on 28 October 1909 to Joseph Cohen…
In addition, a Jokos file (number 54313) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.