- 1 Pierre Lys (1680- ) m Elizabeth Sorre (1682- ), possibly Huguenot refugees
- 2 Jacques Lys (1700- ) m (1721) Margarete Rousset (1700- )
- 3 Jean Lys (1721-1793) [1] m (1750, St H) Susanne Skibo (1721-1793)
- 4 Susanne Lys (1751- ) m (1782, St H) Henry Towson
- 4 Marie Lys (1753- ) m (1771, St H) Philippe Dolbel (St H)
- 4 Anne Lys (1754- ) m (1777, St H) Josue Le Quesne
- 4 Jean Lys (1756- )
- 4 Elizabeth Lys (1757- ) m (1778, St H) Jean Bertram
- 4 Jacques Lys (1761-1842) m (1794, Francoise Messervy
- 4 Philippe Lys (1763-1826) m (1786, St S) Marie Messervy (1764-1827)
- 5 Philippe Lys (1790- )
- 5 Jeanne Lys (1791-1856)
- 5 Jean Lys (1793-1794)
- 5 Jacques Lys (1794- )
- 5 Nancy Lys (1795-1859)
- 5 Fanny Lys (1797- )
- 5 John Stephenson Lys (1801-1842) [2] m (1819, Gr) Elizabeth Hooper (1801-1857)
- 6 Elizabeth Jane Mary Lys (1821- ) m (1844, St S) Samuel Holmes, son of John
- 6 Mary Anne Lys (1823-1842)
- 6 Philippa Matilda Lys (1827- ) m (1860, St S) Josiah Mitchell (1834- ) [3] son of John
- 6 James Lys (1831- )
- 6 George Dobree Lys (1835-1865) [4] m (1858) Annie Brannigan (1828-1892)
- 7 Henry Patrick Lys (1858-1923) m (1882) Charlotte Gates (1861-1902)
- 8 Louisa Annie Lys (1882-1973) m (1903) William Henry McDonald (1875- )
- 8 Henry Blanchard Lys (1884- ) m Edith Maud Chamberlain (1886-1963)
- 8 Rose Jane de Courcy Lys (1886- ) m (1911) Thomas Alfred Foote Stone (1879-1971)
- 8 Arthur James Lys (1888-1962) m (1914) Marie Alice Durrant (1895-1970)
- 9 Arthur Frederick Henry Lys (1919-1998)
- 9 Therese Natalie de Courcy Lys (1921-1998)
- 8 Ellen Mary Lys (1890-1964) m (1908) Herbert Joseph Mason (1882-1943)
- 8 Agnes Mary de Courcy Lys (1892-1967) m George Albert Lettington (1890-1948)
- 8 Charlotte Elizabeth Lys (1893-1896)
- 8 John Bernard Lys (1896- ) m Edith Maud Chamberlain (1886-1963)
- 8 Margaret Mary Lys (1898-1964)
- 8 Patrick Joseph Lys (1902- ) m Adelia Helen Lys (1909- )
- 9 Henry Lys (1930- )
- 9 Jean Lys (1932- )
- 9 Timothy Lys (1934- )
- 9 Peter Lys (1936- )
- 7 George Philip Lys (1859- )
- 7 Edith Maude Marie Lys (1861- )
- 7 Constance Philippe Lys (1863-1940)
- 7 George Guy Dobree Lys (1864-1931) m (1891) Maria Hardman
- 7 Georgina Elizabeth Lys (1866- )
- 7 Henry Patrick Lys (1858-1923) m (1882) Charlotte Gates (1861-1902)
- 6 Vincent Holmes Lys (1841-1879) m (1867) Mary Forrest Taylor (1909-1986)
- 5 Eliza Lys (1805-1831)
- 5 Matilda Lys (1807- )
- 4 Pierre Lys (1765- )
- 3 Jean Lys (1721-1793) [1] m (1750, St H) Susanne Skibo (1721-1793)
- 2 Jacques Lys (1700- ) m (1721) Margarete Rousset (1700- )