Born ‎21-10-1878 Gorredijk-Friesland, Netherland, died ‎23-4-1943 Sobibor-Biala Podleska, Poland‎, 64 or 65 years. Daughter of Benjamin Levi Colthof/ Messche and Esje Rachel Slager/ Metsche‏

Born ‎27-8-1881 Amsterdam, Netherland, died ‎10-9-1942 Auschwitz-Katowice, Poland‎, 60 or 61 years, ‎1st marriage/ related to: Cornelia Colthof - Slager, ‎2nd marriage/ related to: Esther Schelvis - Gosler