Abraham, Esther, Saartje, Simon and Bloemina are the children of
Kaatje de Beer-Bollegraaf &
Heiman de Beer b.23 May 1875 Hoogezand, d. 12 Feb 1943 Auschwitz
In addition, a Jokos file (number 9209) on this household 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 589/21803).