- 1 Thomas Legoupil (1615- )
- 2 Martin Legoupil (1644- ) m Perrine Quenault
- 3 Francois Legoupil (1668- )
- 3 Suzanne Legoupil (1671-1731)
- 3 Guillaume Legoupil (1684-1720) m Anne Brochard (1684-1725)
- 4 Jean Marc Antoine Legoupil (1691- )
- 4 Marie Legoupil (1693-1765)
- 4 Francoise Legoupil (1714- )
- 4 Pierre Legoupil (1715-1755) m Anne Marie Cucquemelle (1714- ) daughter of Simon (1684- ) and Jeanne Legriffon (1684- )
- 5 Jeanne Marie Legoupil (1736-1810)
- 5 Pierre Francois Legoupil (1740- )
- 5 Honore Legoupil (1742- )
- 5 Guillaume Legoupil (1744-1816) m Marie Agnes Roze, daughter of Jean (1726-1799) and Catherine Serres (1727-1793)
- 6 Jeanne Marie Legoupil (1782-1841)
- 6 Pierre Legoupil (1784- )
- 6 Olive Legoupil (1786- )
- 6 Guillaume Legoupil (1788-1867) m (1817) Marie Rabet (1795-1871) daughter of Simon Francois (1755-1808) and Charlotte Goubert (1757-1836)
- 7 Pierre Charles Legoupil (1818- )
- 7 Aimee Marie Honorine Legoupil (1819- )
- 7 Francois Adolphe Legoupil (1822- ) m (1856) Adele Marie Euphrasie Lereverend (1826-1880) daughter of Jean Joseph (1793-1839) and Marie Jeanne Francoise Marie (1794- )
- 8 Justine Marie Lereverend (1854- )
- 8 Jean Francois Auguste Legoupil (1856-1910)
- 8 Auguste Nicolas Arsene Legoupil (1858- )
- 8 Gustave Edmond Alexandre Legoupil (1860-1946) [1] m Philomene Francoise Gouedart (1861- ) daughter of Louis and Marie Bobillon
- 9 Arthur Auguste Le Goupil (1896-1990) m (1929, Gr) Ella Eunice Richecoeur (1901- )
- 9 Celestin Ernest Charles Le Goupil (1897- ) [2] m (1928, St S) Hilda Clara Holley, daughter of Edward Pierre [3]
- 9 Emile Pierre Le Goupil (1904- ) [4] m (1933, Gr) Alice Blanche Le Moel, daughter of Pierre Marie
- 9 Elise Louise Le Goupil (1906- )
- 9 Augustine Le Goupil
- 9 Jane Le Goupil
- 8 Francoise Eugenie Legoupil (1861- )
- 8 Jacques Pierre Legoupil (1865- )
- 8 Leontine Marie Josephine Legoupil (1870- )
- 6 Georges Francois Legoupil (1793-1794)
- 6 Honore Legoupil (1795-1860)
- 6 Adrien Legoupil (1797-1798)
- 6 Julien Francois Legoupil (1799-1799)
- 6 Adrien Joseph Legoupil (1801- )
- 2 Martin Legoupil (1644- ) m Perrine Quenault