In July 1941, Het Joodsche Weekblad featured an obituary for Jacob de Vries. The entry was placed by E. Koopman who described himself as his best friend. The message stated that Jacob de Vries died in Germany. Jacob de Vries was 21 years old when he died.
Het Joodsche Weekblad, 18 July 1941, 11
In addition, Jokos files (numbers 1439, 8241) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos files reveal that a claim was lodged for compensation for looted securities or bonds…