This person is mentioned in a CABR document of the Dutch Nationaal Archief. The CABR contains detailed information concerning this person’s arrest, inv. nr CABR 71321 + 748 I-VI.
In addition, a Jokos file (number 60685) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.