Willem de Wolf was a son from the first marriage of his father Jacob de Wolf and Rebecca Blog, who passed away in 1932. Willem married Meintje Kool on 25 October 1933 in Amsterdam, a daughter of Elias Kool and Betje Lucasse. The couple had a son Jacob, who has been killed in Sobibor on 11 June 1943…
In addition, a Jokos file (number 30135) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.