A copy of the ketubah of Hartog Gans and Eva Roselaar, a daughter of Hijman Roselaar and Mietje Swaab, remains. Their chuppa was in Apeldoorn on 7 October 1942.
Municipal archive Apeldoorn, Records Nederlands Israëlitische Gemeente Apeldoorn.
Hartog Gans was employed per 27 April 1942 in "Het Apeld…
In addition, a Jokos file (number 15459) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.