 Isaac de Groot - MullemBorn 1- apr 1886 Amsterdam, Netherland, died 29-4-1943 Amsterdam, Netherland, 56 or 57 years. Son of Wolf de Groot and Kaatje Mullem Married 1- sep 1920 Zaandam, Netherland (22 or 23 years married) to:  Roosje van Sweeden - NabarroBorn 21-12-1880 Amsterdam, Netherland, died 11-6-1943 Sobibor-Biala Podleska, Poland, 62 or 63 years. Daughter of Benjamin Mathijs van Sweeden - Draaijer and Sipora Nabarro - Korper | |||