Nielsen Hayden genealogy
Family: Col. William Cogswell / Mercy Brewster (F25763)
m. 22 May 1791
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Nathaniel Cogswell (1716-1810)
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Bridget Cleveland (1728-1781)
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| Simon Brewster (1720-1801)
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| Anne Andrus (1725-1809)
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| Col. William Cogswell (1761-1823)
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| Mercy Brewster (1765-1832)
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Dr. William Henry Cogswell (1798-1876)  |