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David Jacob Polak, birth 30 OKT 1827 Hoorn, Noord-Holland, Nederland, son of Jacob Mozes Polak and Vrouwtje Hijman Trompetter
 to: Hanna Abraham Vedder  | 
| 1) Jacob David Polak, birth 19 Jul 1857 Hoorn, Noord-Holland, Nederland | 
| 2) Abraham David Polak, birth 25 Apr 1859 Hoorn, Noord-Holland, Nederland, died 21 MRT 1860 Hoorn, Noord-Holland, Nederland | 
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3) Rozetta Polak, birth 16 MRT 1861 Hoorn, Noord-Holland, Nederland
 Married 8 Dec 1886 Hoorn, Noord-Holland, Nederland to: Meijer van Gelderen, birth Oudshoorn, Noord-Holland, Nederland, son of Jacob Philip van Gelderen and Jeannetta Haantje  | 
| 4) Abraham Polak, birth 8 MEI 1863 Hoorn, Noord-Holland, Nederland | 
| 5) Flora David Polak, birth 26 Sep 1866 Hoorn, Noord-Holland, Nederland, died 23 Apr 1868 Hoorn, Noord-Holland, Nederland | 
| 6) Hendrina Polak, birth 22 OKT 1868 Hoorn, Noord-Holland, Nederland | 
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7) Flora Polak, birth 3 Jul 1871 Hoorn, Noord-Holland, Nederland, died 26 Feb 1943 Auschwitz, Katowice, Polen
 to:
 de Vries  |