Addition

Israel Zwaaf and his family

In total, seven children of Israel Zwaaf and Matje Verdooner survived the war. It is most likely that two of those children no longer lived with their parents in February 1941.
Addition of a visitor of the website

In addition, a Jokos file (number 9896) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.