Born ‎22-7-1894 Amsterdam, Netherland‎. Son of Joseph Kroonenberg - Maandag and Mietje Groen - Prins‏

Born ‎30-7-1888 Amsterdam, Netherland, died ‎12-10-1942 Auschwitz-Katowice, Poland‎, 53 or 54 years. Occupation: Cap maker, ‎1st marriage to: Marcus Kroonenberg - Groen, ‎2nd marriage/ related to: Abraham Hollander - Levie. Daughter of Samson Jesaja Dresden - Vos and Engelina Barends Goudsmit - Knoop‏