Born ‎16-12-1904 Amsterdam, Netherland, died ‎28-1-1944 Auschwitz-Katowice, Poland‎, 39 or 40 years. Daughter of Joseph Kroonenberg - Maandag and Mietje Groen - Prins‏

Born ‎28-3-1905 Amsterdam, Netherland, died ‎3- Aug 1943 Auschwitz-Katowice, Poland‎, 37 or 38 years. Occupation: Representative, mechanic, ‎1st marriage (divorced) to: Rebekka de Vos - Corper, ‎2nd marriage to: Sara Kroonenberg - Groen. Son of Izaak Kesing and Klaartje Blits - Naktiel‏