According to the Sterbebücher of Auschwitz Emanuel Vos died on 19 August 1942. It is possible this date is different from the official day of death as established after the war by the Department of Justice.
In addition, a Jokos file (number 3911) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.