According to the death records of camp Sachsenhausen Jacques Abram died on 18 January 1945. 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 5628) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for looted jewellery (S-claim, number 1/585).