Jacob Casseres was a teacher at the Jewish school of applied arts 'W.A. van Leer'.
Jan Teeuwisse, Leven en werk van beeldhouwer-tekenaar Jaap Kaas (Utrecht 1987)
We have been unable to determine whether one or more members of this family survived the war. While their names do not appear on the lists of survivors, we have not been able to trace them in In Memoriam either. They are therefore labeled as 'surviving' and their names are not listed.