Family Portrait, from left to right: Heiman de Jonge, Simon Heiman de Jonge, Abraham Cohen, Roosa de Jonge-Cohen, Heiman Abraham de Jonge, Arnold and Rolf de Jonge
In addition, Jokos files (numbers 54236, 54234) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.