Isaac Mendes (Seixas) Nathan, b: 1785


^{Jonathan Nathan}^{b.1811 New York City, NY d.1863}

^{Rachel S. Nathan}^b.1815 d.		^{Simon Nathan}^{b.1746 Frome, England d.1822 New York City, NY}

^{Mendes Nathan}^{b.1817 New York City, NY d.1890}	^{Isaac Mendes (Seixas) Nathan}^{b.1785 New York City, NY d.1852 New York City, NY}		^{Isaac Mendes Seixas}^{b.1708 Lisbon, Portugal d.1780 Newport, RI}

^{Esther (Hettie) Nathan}^{b.1819 New York City, NY d.1874}		^{Grace Seixas}^{b.1752 New York City, NY d.1831 New York City, NY}	^Rachel Levy^{b.1719 New York City, NY d.1797 New York City, NY}

^{Gershom Seixas Nathan}^{b.1821 New York City, NY d.1864 New York City, NY}

^{Elvira Nathan}^{b.1826 New York City, NY d.1912}		^{Benjamin Mendes Seixas}^{b.1747 Newport, RI d.1817 New York City, NY}

^{Rebecca Washington Nathan}^{b.1828 PA d.1879 NY}	^Sara Seixas^{b.1791 New York City, NY d.1834 New York City, NY}

^{Robert Weeks Nathan}^{b.1831 NY d.1888}		^{Zipporah Levy}^{b.1760 New York City, NY d.1832 New York City, NY}

^{Israel Robert Nathan}^{b.1831 d.1888}