John Underhill, son of Thomas Underhill and Magdalen Amyns, was born in 1574 in Killingworth, Warwickshire, England and died in October 1608 in St. Gertrude, Bergen-Op-Zoon, Holland at the age of 34. He married Honora Pawley, daughter of James Pawley and Isabella Boynton, in 1587. She was born about 1570 and died in 1650 in Newport, RI.

Lettice Underhill, daughter of John Underhill and Honora Pawley, was born in 1590 and died on March 21, 1673 in Portsmouth, Newport Co., RI at the age of 83. She married Richard Bulgar in 1633 in Boston, Suffolk Co., MA. He was born in 1584 and died after 1687.

Petronella Underhill, daughter of John Underhill and Honora Pawley, was born in 1590 and died in 1643 at the age of 53. She married Ulrich Lupold on August 6, 1639 in New Amsterdam (New York), NY. He was born in 1587 and died in 1644 at the age of 57.

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.