 Israel Groen - de GrootBorn 28-12-1909 Utrecht, Netherland, died 30-9-1942 Auschwitz-Katowice, Poland, 32 or 33 years. Son of David Groen - Lubig and Heintje de Groot - Pappie Married to:  Lea Konijn - PotzerBorn 23-12-1907 London, England, died 14-5-1945 Trobitz, 37 or 38 years. Daughter of Simon Konijn and Mary Potzer Child: | |
| 2nd marriage Israel Groen - de GrootMarried to: Johanna Hendrika Katje/ van TellingeBorn 30-6-1908 Amesfoort, died not Jewish. Daughter of Johannus Hendrikus Katje and Hendrika van Tellingen Children: | |
3) Gijsbertus Cornelis Groen/ KatjBorn after 1-1-1900 | |