Born ‎15-8-1889 Amsterdam, Netherland, died ‎8-10-1942 Auschwitz-Katowice, Poland‎, 52 or 53 years. Son of Levie Kooker and Truitje (Isaac) Engelsman/ Glasslijpe‏

Born ‎22-12-1893 Amsterdam, Netherland, died ‎8-10-1942 Auschwitz-Katowice, Poland‎, 48 or 49 years, ‎1st marriage to: Zacharias Blik - van Sister, ‎2nd marriage to: Isaac Kooker - Engelsman. Daughter of Salomon Polak and Leentje van Loggem‏