womanMartha de Groot - Hartlooper‏‎
Born ‎20-7-1889 Amsterdam, Netherland, died ‎5-10-1942 Auschwitz-Katowice, Poland‎, 52 or 53 years. Daughter of Levie de Groot - Halverstat and Judith Hartlooper

Married ‎10-3-1909 Amsterdam, Netherland (32 or 33 years married) to:

manLevie Walvis - Grishaver‏‎
Born ‎30-9-1890 Amsterdam, Netherland, died ‎16-4-1943 Sobibor-Biala Podleska, Poland‎, 52 or 53 years. Occupation: Diamond setter. Son of Salomon Walvis/ de Kort and Dina Grishaver/ Schelvi

Children:

1)
manSalomon Walvis - de Groot‏
Born ‎11-6-1909 Amsterdam, Netherland, died ‎5- sep 1941 Mauthausen, Austria‎, 31 or 32 years. Occupation: Bicycle repair, Lange Houtstraat #36, Amsterdam, Netherland
2)
womanJudith Walvis - de Groot‏‎
Born ‎11-10-1910 Amsterdam, Netherland‎
3)
manMichel Walvis - de Groot‏‎
Born ‎8- jan 1916 Amsterdam, Netherland, died ‎1- jun 1917 Amsterdam, Netherland‎, 1 years
4)
womanDina Walvis - de Groot‏
Born ‎4- apr 1921 Amsterdam, Netherland, died ‎28-5-1943 Sobibor-Biala Podleska, Poland‎, 21 or 22 years
5)
manMarcus Walvis - de Groot‏‎
Born ‎4- sep 1922 Amsterdam, Netherland, died ‎28-2-1943 Auschwitz-Katowice, Poland‎, 20 or 21 years