Born ‎1892 Middelburg, Netherland‎. Son of Simon Johannes de Geuns and Antonia van Zeist‏

Born ‎15-10-1893 Middelburg, Netherland, died ‎30-9-1942 Auschwitz-Katowice, Poland‎, 48 or 49 years, ‎1st marriage to: Hartog Lion de Wolf -Swart, ‎2nd marriage to: Johannes Simon de Geuns - van Zeist. Daughter of Israel van der Sluis - Fresco and Margaretha Mozes Polak - Danielson‏