Clara Leeuwin Born ± 1877 Marriage/ Related to: Jacob Koster Born 11-1-1877 Amsterdam, Netherland, died 21-9-1942 Auschwitz-Katowice, Poland, 64 or 65 years. Occupation: Diamond worker, 1st marriage/ related to: Clara Leeuwin, 2nd marriage/ related to: Vrouwtje Grishaver Child: | |||