Klaartje Rebekka Vorst was a daughter of Flora Henriette Hoornstra, who died before the war. Her father survived the war. She was the sister of Rebekka Klaartje van Esso-Vorst. Addition of a visitor of the website
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