 Isaac GrootkerkBorn 7- apr 1859 Rotterdam, Netherland, died 22-10-1942 Auschwitz-Biala Podleska, Poland, 82 or 83 years Married 28-7-1880 Rotterdam, Netherland (61 or 62 years married) to:  Rebecca de Jong - ProntBorn 19-6-1854 The Hague, Netherland. Daughter of Hartog de Jong and Hanna Jonas Pront - Fleischtreger Children: | |||
1) Hartog Grootkerk - de JongBorn 20-3-1884 Rotterdam, Netherland, died 29-3-1942 Amsterdam, Netherland, 57 or 58 years. Occupation: Merchant in thread | |||
2) Sientje Grootkerk - de JongBorn 24-5-1886 Rotterdam, Netherland, died 16-8-1942 Auschwitz-Katowice, Poland, 55 or 56 years | |||
3) Roosje Grootkerk - de JongBorn 17-1-1889 Rotterdam, Netherland, died 28-9-1942 Auschwitz-Katowice, Poland, 52 or 53 years | |||