Judith Jas was married to Louis de Groot who is listed at his parents address, Snoekjesgracht 11 in Amsterdam. During the war, she had a child, which survived. Addition of a visitor of the website
Cato Louise (Carry) de Groot, enig kind van Louis de Groot en Judith de Groot-Jas, overleefde de oorlog. Haar onderduik is beschreven door Riet Glas-Kroeze, 'Het verhaal van Carry', in: Hengelo toen en nu, Jaargang 34, aflevering 2, april 2010, pag. 41-43.
Two children of Mozes Jas and Vrouwtje de Laay lived at different addresses, with their partners. Izaak Jas and Helena Talhuizen-Jas didn't survive the war. Addition of a visitor of the website
In addition, a Jokos file (number 15676) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.