Born ‎1-10-1876 The Hague, Netherland, died ‎9- Apr 1943 Sobibor-Biala Podleska, Poland‎, 66 or 67 years. Son of Isidore van Witsen - de Jong and Keetje van Embden - Landing Landen‏

Born ‎22-9-1874 Zwolle, Netherland, died ‎9- Apr 1943 Sobibor-Biala Podleska, Poland‎, 68 or 69 years, ‎1st marriage to: Hermanus Jonathan van Straten - Cappel, ‎2nd marriage to: Meijer Isaac Maurits Rits van Witsen - van Embden. Daughter of Leonard van Embden/ van Wijh and Helena van Ham‏