Born ‎19-2-1900 Groningen-Groningen, Netherland, died ‎19-10-1942 Auschwitz, Katowice, Poland‎, 41 or 42 years. Daughter of Marcus Velleman - de Vries and Leentje Blok - van Praag‏

Born ‎26-10-1886 Amsterdam, Netherland, died ‎19-10-1942 Auschwitz, Katowice, Poland‎, 55 or 56 years. Son of Marcus Ijzak Okker/ Venetiane and Fijtje Venetianer/ Grewe‏