Born ‎6- Jul 1890 Zwolle, Netherland, died ‎19-11-1942 Auschwitz-Biala Podleska, Poland‎, 51 or 52 years. Daughter of Samuel Bilderbeek - Davidson and Klaartje de Vries‏

Born ‎18-3-1869 Harlingen-Friesland, Netherland, died ‎19-11-1942 Auschwitz-Biala Podleska, Poland‎, 72 or 73 years, ‎1st marriage to: Carolina Bilderbeek - de Vries, ‎2nd marriage to: Eva Hart - Hart. Son of Mozes van Gelder and Rachel Trompetter‏