Born ‎15-1-1875 Rotterdam, Netherland‎. Occupation: Buyer, Manufacturer. Son of Marcus Levi van Leeuwen - Hartveld and Roosje Mozes Menkes - Andriessen‏

Born ‎27-5-1877 Rotterdam, Netherland, died ‎Nov-1942 Auschwitz-Biala Podleska, Poland‎, 64 or 65 years. Daughter of Sander Alexander Speelman - Vles and Lena Wessel - Frank‏

Born ‎6- Mar 1875 Rotterdam, Netherland, died ‎23-3-1916 Rotterdam, Netherland‎, 40 or 41 years

Born ‎15-12-1883 Rotterdam, Netherland, died ‎26-6-1922 Rotterdam, Netherland‎, 38 or 39 years