John Underhill, son of John Underhill and Honora Pawley, was born on October 7, 1597 in Baginton Over Killingworth, Warwickshire, England and died on July 21, 1672 in Killingsworth, Long Island, NY at the age of 74. He married 2 times. The first time he married Helena De Hooch on December 12, 1628 in The Hague, Holland. She was born in 1589 and died in 1633 at the age of 44. The second time he married Elizabeth Feake, daughter of Robert Feake and Elizabeth Fones, in 1659 in Flushing, Long Island, NY. She was born in 1633 in Watertown (Later Dedham), Middlesex Co., MA and died in May 1674 in Killingsworth, Long Island, NY at the age of 41.

Deborah Underhill, daughter of John Underhill and Elizabeth Feake, was born on November 29, 1659 in Killingsworth, Long Island, NY and died on March 30, 1698 at the age of 38. She married Henry Townsend in 1676 in Oyster Bay, Long Island, NY. He was born in 1649 and died in 1703 at the age of 54.

Nathaniel Underhill, son of John Underhill and Elizabeth Feake, was born on February 22, 1664 in Killingsworth, Long Island, NY and died on November 10, 1710 in Westchester, Westchester Co., NY at the age of 46. He married Mary Ferris, daughter of John Ferris and Mary Jackson, on December 10, 1685 in Westchester, Westchester Co., NY. She was born in 1648 and died in 1691 at the age of 43.

Hannah Underhill, daughter of John Underhill and Elizabeth Feake, was born on December 2, 1666 in Newtown, Long Island, NY and died on August 23, 1757 in Newtown, Long Island, NY at the age of 90. She married Richard Alsop, son of Joseph Alsop and Elizabeth Preston, in 1685 in Killingsworth, Long Island, NY. He was born in 1660 in Cambridgeshire, England and died in October 1718 in Newtown, Long Island, NY at the age of 58.

Elizabeth Underhill, daughter of John Underhill and Elizabeth Feake, was born on July 2, 1669 in Killingsworth, Long Island, NY and died after 1704. She married Isaac Smith, son of Abraham Smith, in 1690. He was born in 1657 and died on April 1, 1747 at the age of 90.

David Underhill, son of John Underhill and Elizabeth Feake, was born on April 1, 1672 in Killingsworth, Long Island, NY and died in 1708 at the age of 35. He married 2 times. The first time he married Unknown Wright in 1689 in Long Island, NY. She was born in 1668 and died in 1689 at the age of 21. The second time he married Hannah Forman in 1689 in Long Island, NY. She was born in 1668 and died in 1689 at the age of 21.

Hannah Alsop, daughter of Richard Alsop and Hannah Underhill, was born on January 11, 1690 in Newtown, Long Island, NY and died on June 17, 1773 in Newtown, Long Island, NY at the age of 83. She married Joseph Sackett, son of Joseph Sackett and Elizabeth Betts, on May 23, 1706 in Newtown, Long Island, NY. He was born in 1680 and died on September 27, 1755 in Newtown, Long Island, NY at the age of 75.

Deborah Alsop, daughter of Richard Alsop and Hannah Underhill, was born in 1682 and died in 1698 at the age of 16. She married 2 times. The first time she married John Sipkins in 1698. He was born in 1672 and died in 1698 at the age of 26. The second time she married Nathan Hazard in 1698. He was born in 1672 and died in 1698 at the age of 26.

Amy Alsop, daughter of Richard Alsop and Hannah Underhill, was born in 1682 and died in 1741 at the age of 59. She married Jonathan Wright on October 28, 1737. He was born in 1685 and died in 1742 at the age of 57.

Susannah Alsop, daughter of Richard Alsop and Hannah Underhill, was born in 1682 and died in 1733 at the age of 51. She married Nathaniel Lawrence on May 23, 1728 in Newtown, Long Island, NY. He was born in 1676 and died in 1733 at the age of 57.

Elizabeth Alsop, daughter of Richard Alsop and Hannah Underhill, was born in 1682 and died in 1727 at the age of 45. She married Phineas McIntosh on June 9, 1722. He was born in 1670 and died in 1727 at the age of 57.

Thomas Alsop, son of Richard Alsop and Hannah Underhill, was born on September 7, 1687 in Newtown, Long Island, NY and died in September 1743 in New York, NY at the age of 55. He married Susanna Blackwell, daughter of Robert Blackwell and Mary Manningham, on February 5, 1708 in Newtown, Long Island, NY. She was born in 1671 and died in 1742 in New York, NY at the age of 71.

Richard Alsop, son of Richard Alsop and Hannah Underhill, was born in 1695 in Newtown, Long Island, NY and died on November 21, 1764 in Newtown, Long Island, NY at the age of 69. He married Elizabeth Crooke in 1735. She was born in 1703 and died on March 29, 1776 in Newtown, Long Island, NY at the age of 73.

John Alsop, son of Richard Alsop and Hannah Underhill, was born in 1697 in Newtown, Long Island, NY and died on April 18, 1761 in New York, NY at the age of 64. He married Abigail Sackett, daughter of Joseph Sackett and Elizabeth Betts, in 1718 in Newtown, Long Island, NY. She was born in 1695 in Newtown, Long Island, NY and died on December 8, 1752 in New York, NY at the age of 57.