1620 - 1675 (55 years)
| John Underwood | |
| B: | 1850 |
| D: | 1853 |
| Elizabeth Adele Underwood | |
| B: | 1854 |
| D: | Yes, date unknown |
| William Woodhull Underwood | |
| B: | 16 Jan 1856 |
| Freeport, Nassau, New York, United States | |
| D: | 16 Jan 1930 |
| Patchogue, Suffolk, New York, United States | |
| Josephine Mary Finn | |
| B: | 25 Nov 1866 |
| Wexford, County Wexford, Ireland | |
| M: | 8–1886 |
| D: | 30 Sep 1943 |
| Frank Underwood | |
| B: | 1858 |
| New York | |
| D: | Yes, date unknown |
| Susan Underwood | |
| B: | Abt 1858 |
| Groton, Tompkins, New York, United States | |
| D: | 9 Nov 1932 |
| Bridgeport, Fairfield, Connecticut, United States | |
| Josiah Underwood | |
| B: | 1867 |
| Port Jefferson, Suffolk, New York, United States | |
| D: | 17 May 1879 |
| Patchogue, Suffolk, New York, United States | |
| John Underwood | |
| B: | 31 Aug 1869 |
| Port Jefferson, Suffolk, New York, United States | |
| D: | 11 Dec 1869 |
| Patchogue, Suffolk, New York, United States | |
| Bertha Underwood | |
| B: | Aug 1877 |
| New York | |
| D: | 2 Feb 1914 |
| John Wesley Underwood | |
| B: | 26 Jan 1818 |
| Groton, Tompkins, New York, United States | |
| D: | 8 Apr 1873 |
| Brookhaven (Patchogue), Suffolk, New York, United States | |
| Amelia Huff | |
| B: | 13 Feb 1828 |
| Newburgh, Orange, New York, United States | |
| M: | Abt 1840 |
| Village of Groton, Tompkins County, New York | |
| D: | 3 Jan 1892 |
| Norwalk, Fairfield, Connecticut, United States | |
| Stanley Underwood | |
| B: | 1843 |
| Groton, Tompkins, New York, United States | |
| D: | 19 Jun 1861 |
| Manhattan, New York City, New York | |
| John W Underwood | |
| B: | 27 Feb 1846 |
| McLean, Tompkins, New York, United States | |
| D: | 15 Sep 1846 |
| McLean, Tompkins, New York, United States | |
| Eliza Jane Smith | |
| B: | 18 Dec 1818 |
| M: | Abt 1840 |
| Village of Groton, Tompkins County, New York | |
| D: | 4 Mar 1846 |
| Town of Groton, Tompkins County, New York | |
| William Underwood | |
| B: | 19 Dec 1789 |
| Kingston, Luzerne, Pennsylvania, USA | |
| D: | 17 Aug 1865 |
| Groton, Tompkins, New York, USA | |
| Ruth Goodwin | |
| B: | 23 Apr 1794 |
| Tompkins, New York, USA | |
| M: | Abt 1810 |
| Tompkins Co, New York, United States | |
| D: | 22 Apr 1888 |
| Groton, Tompkins, New York, USA | |
| Doritha Benjamin | |
| B: | 22 Apr 1752 |
| Canterbury, Windham, Connecticut Colony, British Colonial America | |
| D: | 1840 |
| , Tompkins, New York, USA | |
| Israel Underwood | |
| B: | 4 Apr 1746 |
| Plainfield, Windham, Connecticut | |
| D: | 15 Jun 1817 |
| Lansing, Tompkins, New York, USA | |
| Jedediah Benjamin | |
| B: | 15 Jul 1711 |
| Preston, New London, Colony of Connecticut, British Colonial America | |
| D: | 27 Jan 1805 |
| Griswold, New London, Connecticut, United States | |
| Patience Stanton | |
| B: | 10 Nov 1710 |
| Groton, New London, Connecticut, British Colonial America | |
| M: | 11 Nov 1732 |
| Preston, New London, Connecticut, British Colonial America | |
| D: | Yes, date unknown |
| Mary Main | |
| B: | Abt 1715 |
| of Groton, New London, CT, USA | |
| M: | 6 Dec 1778 |
| Canterbury, Windham, Connecticut, United States | |
| D: | 1802 |
| Daniel Benjamin | |
| B: | 17 Sep 1714 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 30 Jul 1756 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| Phebe Gile | |
| B: | 22 Jan 1724 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| M: | 13 Mar 1738 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | Aft 1778 |
| Preston, New London, Connecticut, United States | |
| Abial Abiel Benjamin | |
| B: | 16 Dec 1716 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 19 Oct 1819 |
| Griswold, New London, Connecticut, United States | |
| Judith Ford | |
| B: | 12 Apr 1716 |
| Preston City, Preston, New London, Connecticut Colony, British Colonial America | |
| M: | 16 Dec 1736 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 26 Nov 1777 |
| Griswold, New London, Connecticut, United States | |
| Margaret Witherson | |
| B: | 1743 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| M: | 23 Feb 1779 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 7 Oct 1825 |
| Grace Benjamin | |
| B: | 10 Jan 1709 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 1803 |
| Brookfield, Worcester, Massachusetts, United States | |
| Jonathan B. Wheeler | |
| B: | 14 Sep 1705 |
| Concord, Middlesex, Massachusetts Bay Colony, British Colonial America | |
| M: | 14 Oct 1729 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 10 Dec 1755 |
| North Brookfield, Worcester, Massachusetts Bay Colony, British Colonial America | |
| Sarah Benjamin | |
| B: | 17 Jan 1707 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 1770 |
| Bradford MM, Chester, Pennsylvania, British Colonial America | |
| Josiah Park | |
| B: | 18 May 1709 |
| Preston City, New London, Connecticut, United States | |
| M: | 5 Nov 1731 |
| Preston, New London, Connecticut, United States | |
| D: | 1795 |
| Sayre, Bradford, Pennsylvania, United States | |
| Hannah Benjamin | |
| B: | 3 Mar 1706 |
| Preston City, New London, Connecticut, United States | |
| D: | Bef 1732 |
| John Benjamin | |
| B: | 1718 |
| Preston City, Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 1788 |
| Elizabeth Benjamin | |
| B: | 11 Nov 1703 |
| Preston, New London, Colony of Connecticut, British Colonial America | |
| D: | 1798 |
| Preston, New London, Connecticut, United States | |
| Robert Parke | |
| B: | Abt 10 Oct 1697 |
| Stonington, New London, Connecticut, United States | |
| M: | 1725 |
| Preston, New London, Connecticut, United States | |
| D: | 25 Nov 1779 |
| Groton, New London, Connecticut, United States | |
| Anna Benjamin | |
| B: | 1728 |
| Plainfield, Windham, Connecticut, British Colonial America | |
| Ebenezer Harris | |
| B: | 6 Jul 1705 |
| Plainfield, Windham, Connecticut, British Colonial America | |
| M: | 29 Oct 1751 |
| Plainfield, Windham, Connecticut, United States | |
| D: | 1778 |
| Plainfield, Windham, Connecticut, United States | |
| Obediah Benjamin, I | |
| B: | 15 Aug 1701 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 7 Aug 1746 |
| Preston, New London, Connecticut, British Colonial America | |
| Mary Yarrington | |
| B: | Bef 16 Nov 1701 |
| Beverly, Essex, Massachusetts, United States | |
| M: | 1724 |
| Griswold, New London, Connecticut, British Colonial America | |
| D: | 1755 |
| Preston, New London, Connecticut, United States | |
| Joseph Benjamin, III | |
| B: | 15 Aug 1699 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| D: | 25 May 1803 |
| Egremont, Berkshire, Massachusetts, United States | |
| Deborah Clark | |
| B: | Abt 1704 |
| Preston City, Preston, New London, Connecticut Colony, British Colonial America | |
| M: | 3 Apr 1722 |
| Preston, New London, Connecticut, British Colonial America | |
| D: | Apr 1761 |
| Egremont, Berkshire, Massachusetts, United States | |
| Joseph Benjamin, II | |
| B: | 29 Apr 1673 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| D: | 27 Jun 1738 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| Elizabeth Cooke | |
| B: | 30 Jun 1678 |
| Stonington, New London, Connecticut Colony, British Colonial America | |
| M: | 25 Aug 1698 |
| Preston, New London, Connecticut, British Colonial America | |
| D: | May 1738 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| Sarah Clarke | |
| B: | 17 Mar 1644 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| D: | 21 Jun 1738 |
| Dorchester, Suffolk, Massachusetts Bay Colony, British Colonial America | |
| Joseph Benjamin | |
| B: | 16 Sep 1633 |
| Newe Towne, Massachusetts Bay Colony, British Colonial America | |
| M: | 12 Dec 1666 |
| Yarmouth, Massachusetts Bay Colony, British Colonial America | |
| D: | Bef 27 Apr 1704 |
| Preston, New London, Connecticut Colony, British Colonial America | |
| Sarah Lumbert | |
| B: | 1620 |
| Besthorpe, Norfolk, England, United Kingdom | |
| D: | 6 Sep 1675 |
| Yarmouth, Barnstable, Massachusetts Bay Colony, British Colonial America | |
| William Clarke | |
| B: | 1620 |
| Norfolk, England | |
| D: | 7 Dec 1668 |
| Yarmouth, Barnstable, Plymouth Colony, British Colonial America | |
