 Martha Koekkoek/ van GeldeBorn 24-2-1909 Groningen-Groningen, Netherland, died 20-3-1943 Sobibor-Biala Podleska, Poland, 33 or 34 years. Daughter of Philippus Koekkoek/ de Swaa and Betje van Gelder/ Karseboo Marriage/ Related to:  Alexander Simmeren/ LeviBorn 1- Aug 1903 Groningen-Groningen, Netherland, died 20-3-1943 Sobibor-Biala Podleska, Poland, 39 or 40 years. Son of Levie Simmeren/ Mulle and Rebekka Levie/ Greb | |