David Vischjager and Sientje Sluijter were the parents of Izaäk and Lena.
Addition of a visitor of the website
A Liro card exists for this person or family. The original cards are kept at the Nationaal Archief (National Archive) at The Hague.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family owned a sours shop, address: Rapenburgerstraat 83 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives