Philip Prins and Sophia Fresco had 11 children: Jacques, Emanuel, Louis, Jacob, Barend, Simon, Martha, Abraham, Lena and two children who presumably survived the war.
Addition of a visitor of the website
In addition, a Jokos file (number 8315) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.