In addition, a Jokos file (number 52443) 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 26 / 701)
- securities or bonds. (W-claim, number C 97 / 2167)