Klaartje Rebekka de Jongh-Vorst was the daughter of Samuel Vorst and Flora Henriëtte Hoornstra. She was married. She and her husband lived on the Raphaelplein in Amsterdam. They had a son Maximiliaan, known as Maxje. Klaartje Rebecca de Jongh-Vorst's husband survived the war.
M. Wolff, De nakomelingen van Wolff ben Eleazar en Moshe ben Gompertz Halevi, 1695-1995 (Arnhem, 2001) 180
In addition, a Jokos file (number 8323) 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 11/149)
- valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 5933/16390)