Bertha Grootkerk/ de Jon Born 29-6-1887 Leeuwarden-Friesland, Netherland, died 22-10-1942 Auschwitz, Katowice, Poland, 54 or 55 years. Daughter of Jacob Grootkerk/ Fran and Sophia de Jong/ Visse Marriage/ Related to: Salomon de Solla PRIVACY FILTER |