 Esther van Kollem - LeefmansBorn 23-2-1901 Amsterdam, Netherland, died 22-10-1943 Auschwitz-Katowice, Poland, 41 or 42 years. Daughter of Hartog van Kollem - Hartog and Maria Leefmans - Kan Married to:  Jacob Eliazer Boas - de CasseresBorn 11-2-1901 Amsterdam, Netherland, died 31-3-1944 Poland, 42 or 43 years. Occupation: Management. Son of Eleazar Samuel Boas and Sippora de Casseres Children: | |
1) Selma Marie Boas - van KollemBorn 26-7-1924 Amsterdam, Netherland, died 22-10-1943 Auschwitz-Biala Podleska, Poland, 18 or 19 years | |
2) Marij Boas - van KollemBorn 30-4-1929 Amsterdam, Netherland, died 22-10-1943 Auschwitz-Biala Podleska, Poland, 13 or 14 years | |