Summer 1939 in Katwijk: Rachel van Gelderen Eijl (m) with her daughters Theresia Helena (Trees) Hahn-van Gelderen (l) en Hester Elisabeth (Bep) Kets de Vries-van Gelderen (r) and her grandchildren. From left to right Sally Hahn, Else Hahn en Robbie Kets de Vries.
In addition, a Jokos file (number 52224) 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 4626/21575).