Born ‎8-10-1913 The Hague, Netherland, died ‎30-4-1943 Auschwitz-Biala Podleska, Poland‎, 29 or 30 years. Son of Boas Lens and Sara van Kam‏

Born ‎20-11-1915 The Hague, Netherland, died ‎30-4-1943 Auschwitz-Biala Podleska, Poland‎, 27 or 28 years. Daughter of David Israel van der Ham/ Len and Rachel David Hakker/ van der Kloo‏