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Father: Simon Nathan
Born: 1746, England
Marr:
Died: 1822, NY
Mother: Grace Seixas
Born: 1752, NY
Died: 1831, NY
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Father: Benjamin Mendes Seixas
Born: 1747, RI
Marr: 1779
Died: 1817, NY
Mother: Zipporah Levy
Born: 1760, NY
Died: 1832, NY
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 | Isaac Mendes (Seixas) Nathan 
Born: 24 May 1785 - New York City, NY
Marr: 30 Nov 1808 - New York City, NY
Died: 30 May 1852 - New York City, NY
Other Spouses:
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 | Sara Seixas 
Born: 27 Feb 1791 - New York City, NY
Died: 5 Aug 1834 - New York City, NY
Other Spouses:
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 | 1. Jonathan Nathan Born: 1811 - New York City, NY Marr: - Died: 1863 - |  | 2. Rachel S. Nathan Born: 13 Dec 1815 - Marr: - Died: - |  |
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 | 3. Mendes Nathan Born: 1817 - New York City, NY Marr: - Died: 1890 - |  | 4. Esther (Hettie) Nathan Born: 7 Feb 1819 - New York City, NY Marr: 1846 - Moses Lazarus Died: 1874 - |  |
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 | 5. Gershom Seixas Nathan  Born: 26 Sep 1821 - New York City, NY Marr: - Died: 1864 - New York City, NY |  | 6. Elvira Nathan Born: 24 Nov 1826 - New York City, NY Marr: - Died: 1912 - |  |
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 | 7. Rebecca Washington Nathan  Born: 4 Jul 1828 - PA Marr: 1867 - Albert Jacob Cardozo Died: 1879 - NY |  | 8. Robert Weeks Nathan Born: 1831 - NY Marr: - Died: 1888 - |  |
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 | 9. Israel Robert Nathan Born: 30 Oct 1831 - Marr: - Died: 30 Dec 1888 - |  |
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