According to the Journal Officiel de la République Française of 28 October 1999, page 16147, Benjamin Wolff Taub died in January 1945 in Weimar-Buchenwald. It is possible this date of death is different from the official day of death as established after the war by the Department of Justice
In addition, a Jokos file (number 17773) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.