Born ‎8- May 1879 Amsterdam, Netherland, died ‎7-12-1942 Auschwitz-Katowice, Poland‎, 62 or 63 years. Son of David de Abraham de la Penha/ Cassie and Hendrika Judith de Hartog Polak‏

Born ‎16-4-1862 Leeuwarden-Friesland, Netherland, died ‎1937‎, 74 or 75 years. Daughter of Eduard Koster - Groen and Betje Beli Snijtselaar - Drielsma‏

Born ‎6-11-1886 Amsterdam, Netherland, died ‎7- May 1943 Sobibor-Biala Podleska, Poland‎, 56 or 57 years, ‎1st marriage/ related to: Joseph de David de la Penha - Polak, ‎2nd marriage/ related to: Zacharias de Groot