Eva Beek, born 15 May 1880 in Amsterdam, was a daughter of Philip Leon Beek and Rebecca Koren. She married at age 39 in Amsterdam on 19 November 1919 the 44-year old Jacque van Zwaanenburgh from St. Oedenrode, bookkeeper by profession and a son of Nathan van Zwaanenburgh and Louise Lazarina van Saxe…
Jansje woonde Mesdagstraat 14 I, op 21-9-1942 gepulst,zie site archieven.nl, Einsatzstab Rosenberg ook een mw. Henriette Wynhuysen woonde daar,samen met Eva van Zwaanenburgh-Beek 1880 - 1942 Rebecca Louise van Zwaanenburgh 1927 - 1942
If this is the same person. Number 72 on the school picture. She was called Bettie.
On the school list the name mentioned is: R. S. Zwaanenburg without "van", but with parent Mrs. E. Zwaanenburgh and at the same address as mentioned above.