Frederika Mendels was married to 471914.
Haags Gemeentearchief, overlijdensakte Lion van Brink (C 3379, 1951)
In addition, a Jokos file (number 3214) 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 valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 8168/22392).