Born ‎27-1-1885 Krefeld, Netherland, died ‎4- Jun 1943 Sobibor-Biala Podleska, Poland‎, 57 or 58 years. Daughter of Salomon Servos and Regina Simon‏

Born ‎31-10-1882 Leeuwarden-Friesland, Netherland, died ‎4- Jun 1943 Sobibor-Biala Podleska, Poland‎, 60 or 61 years. Occupation: Commercial agent. Son of Jacob Grootkerk/ Fran and Sophia de Jong/ Visse‏