 David van Kollem - LakmakerBorn 10-8-1893 Amsterdam, Netherland, died 4- jun 1943 Sobibor-Biala Podleska, Poland, 49 or 50 years. Occupation: Diamond worker. Son of Alexander van Kollem and Anna Frederika Lakmaker Married 16-2-1916 Amsterdam, Netherland (26 or 27 years married) to:  Rachel de Leon/ de LeoBorn 25-11-1886 Amsterdam, Netherland, died 4- jun 1943 Sobibor-Biala Podleska, Poland, 56 or 57 years. Daughter of Joseph de Abraham de Leon/ de Groo and Clara de Leon/ Senior Corone | |||