Jacob Emmerik, son of Isaac Emmerik and Saartje Cohen, married 26 Augustus 1936 to Margaretha Brilleslijper, daughter of Joseph Brilleslijper and Vrouwtje van Geens.
City Archive of Amsterdam, archive card of Margaretha Brilleslijper, Joseph Brilleslijper and Jacob Emmerik .
In addition, a Jokos file (number 7507) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.