Born ‎3- May 1899 Amsterdam, Netherland, died ‎3- Sep 1943 Auschwitz, Katowice, Poland‎, 44 years. Daughter of Levie Dooseman and Roosje Bloch‏

Born ‎17-5-1896 Gorredijk-Friesland, Netherland, died ‎31-3-1944 Poland‎, 47 or 48 years. Occupation: Male Nurse, ‎1st marriage to: Margaretha Doosman - Bloch, ‎2nd marriage to: Regina Drukker - Drukker. Son of Josua Colthof/ Messche and Hanna van Leer/ van Lee‏