In addition, a Jokos file (number 12006) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
By establishing the date of death the official date is maintained as stated after the war by the Dutch Department of Justice. On the death certificate of this person a period is stated. The date of death mentioned here is the end date of that period in which with certainty can be established that a person has deceased.