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| Abraham Slager, birth ONG 1860 Winschoten, Groningen, Nederland Married 12 Nov 1890 Amsterdam, Noord-Holland, Nederland to: Henriette Benninga, birth Winschoten, Groningen, Nederland, died 19 Jul 1923 Groningen, Groningen, Nederland, daughter of Abraham Jacobs Benninga and Hendeltje Fennema de Jonge | 
| 1) Henry Slager, birth 11 Feb 1881 Winschoten, Groningen, Nederland, died 23 Nov 1942 Auschwitz, Katowice, Polen Married 9 Jun 1910 Winschoten, Groningen, Nederland to: Naatje Cohen, birth 22 Apr 1887 Winschoten, Groningen, Nederland, died 29 Oct 1942 Auschwitz, Katowice, Polen, daughter of Izak Simon Heiman Cohen and Roosien-Roosje Polak | 
| 2) Sara Henriette Slager, birth 16 Sep 1884 Winschoten, Groningen, Nederland, died 26 Mar  1943 Sobibor, Polen Married 6 May 1909 Winschoten, Groningen, Nederland to: Assur Gudema, birth 21 Sep 1880 Oude Pekela, Groningen, Nederland, died 14 Apr 1942 Blijham, son of Aron Levie Gudema and Ester|Esther Rotschild | 
| 3) Marcus Izak Slager, birth 15 Jul 1891 Winschoten, Groningen, Nederland, died 21 May 1943 Sobibor, Biala Podleska, Polen
 to: Rosa Kampion, birth 22 Feb 1902 Groningen, Groningen, Nederland, died 21 May 1943 Sobibor, Polen, daughter of Salomon Kampion and Lea Wijnberg | 
| 4) Benjamin Slager, birth 28 Nov 1892 Winschoten, Groningen, Nederland, died 30 Sep 1944 Auschwitz, Katowice, Polen
 to: Louiza Frederika Wilhelmina Bargeboer, birth 15 Jan 1897 Winschoten, Groningen, Nederland, died 20 Mar 1943 Sobibor, Polen 1st marriage 2nd marriage, daughter of Abraham Bargeboer and Frederika de Jonge | 
| 5) Bernard Slager, birth 18 Apr 1895 Winschoten, Groningen, Nederland | 
| 6) Henderina Slager, birth 10 Jan 1898 Winschoten, Groningen, Nederland, died 26 Jul 1900 Winschoten, Groningen, Nederland |