Born ‎8- Sep 1899 Rotterdam, Netherland, died ‎29-10-1942 Auschwitz-Biala Podleska, Poland‎, 42 or 43 years. Daughter of Benjamin Louis Cats - Blommenkoper and Rosalia David Eijl - Oesterman‏

Born ‎20-3-1901 Rotterdam, Netherland, died ‎28-2-1943 Auschwitz-Katowice, Poland‎, 41 or 42 years. Son of Joseph van Gelderen - de Jong and Sara Blom - de Jong‏