Henriette van Zanten-Koster had four brothers and two sisters. Two brothers died before the war. 449946, 448129, 517898 and 449945 all perished in Auschwitz. Addition of a visitor of the website.
In addition, a Jokos file (number 52155) 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 13439/6032).