Abraham Fontijn was a son of Israel Fontijn and Klara Marcus. Both his parents died before the war. Abraham Fontijn was the twin-brother of Esther Fontijn who lived at the Keplerstraat in The Hague.
Addition of a visitor of the website
In addition, a Jokos file (number 204) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschapp…