Calman Koekoek - Coenraad Born 31-7-1867 Rotterdam, Netherland, died SET-1942 Auschwitz, Katowice, Poland, 74 or 75 years. Son of Samuel Koekoek - Hes and Saartje Coenraad - de Groot Married to: Rachel Polak - de Jong Born 11-8-1859 Amsterdam, Netherland, died 22-12-1918 Antwerpen, Belgium, 58 or 59 years. Daughter of Jacob Joseph Polak/ Oesterma and Anna Philip de Jong Children: | |