In addition, a Jokos file (number 33610) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Bloempje was the daughter of Jacob Joseph Wonder and Vrouwtje Pakkendrager. Isador van Thijn was the son of Nathan van Thijn and Sientje de Leeuw. Bloempje and Isador married on 16th February 1916 in Weesp. Addition of a visitor of the website