- 1 William Thelland ( -1800) m Rachel Mollet ( -1802)
- 2 William Thelland (1772-1846) (St P) m (1793, St P) Esther Luce (1775- ) daughter of Moise and Suzanne Elisabeth, nee Mauger
- 3 Susan Thelland (1795-1883) (St P)
- 3 William Jean Thelland (1797-1877) (St P) [1] m (1797, St L) Esther Elizabeth Le Gros (1804-1887)
- 4 Esther Elizabeth Thelland (1823- ) [2] m (1852, St B) Benjamin John Boyer (Lon) [3] son of William [4]
- 4 William Thelland (1825- )
- 4 Jean Thelland (1829-1887) (St P) [5] m (1856, St S) Jane Le Gallais (1836-1906)
- 5 Susan Esther Thelland (1857- )
- 5 John William Thelland (1859- ) (St B) [6] m (1883, Gr) Ann Elizabeth Machon (1857- )
- 5 Jane Susan Thelland (1860- )
- 5 Anna Angelina Thelland (1864- )
- 5 Emily Mary Thelland (1866- )
- 5 William Thelland (1868- )
- 5 James Le Gallais Thelland (1873-1941) m 1 Edith Sophia Matthews (1882-1948)
- 6 Edith Thelland (1904-1976)
- 6 Alice Thelland (1905-1987)
- 2nd wife of James Le Gallais Thelland, Jane Henry (1883-1951)
- 6 Jean Thelland (1911-1989)
- 6 James Thelland (1913-1996)
- 6 Iris Thelland (1915-1915)
- 6 Alexander Thelland (1920-2002)
- 5 Helena Simmoneaux Thelland (1875- ) m (1903, St H) Walter Oddie (1872- ) [10] son of Walter [11]
- 5 Annie Louisa Thelland
- 5 Alice Esther Thelland
- 4 Esther Elizabeth Thelland (1831- ) (St P)
- 4 Jane Elizabeth Thelland (1840- ) (St P) m (1878, St B) John Laurens, son of George
- 3 Francois Thelland (1799-1881) (St P) to Quebec m (1823, Quebec) Angelique Defoy (1807-1887) d of Pierre (1781-1868) and Angelique Ouvrard (1785-1864)
- 4 Ester Thellend (1824-1827) (Quebec)
- 4 Francois Thellend (1826-1827) (Quebec)
- 4 Francois Thellend (1829-1890) (Quebec) m (1853, St Raymond, Ontario) Louise Cloutier (1827-1895), d of Prisque (1794- ) and Josephte Bouin (1798- )
- 5 Francois Thellend (1854-1910) m (1874, Quebec) Hedwidge Beaudoin (1845-1911) d of Moise (1805-1886) and Sophie Dubord (1817-1898)
- 6 Marie-Jeanne Thellend (1876-1968) m (1896, Quebec) Hercule Robitaille (1875-1956) s of Laurent (1829-1882) and Angele Morand (1836-1908)
- 6 Lucien Thellend (1883-1971) m (1911, Quebec) Albertine Hebert (1890-1971)
- 5 Marie Louise Thellend (1855-1855)
- 5 Elizabeth Thellend (1856-1938)
- 5 Prisque Thellend (1858-1959)
- 5 Eliza Thellend (1859-1859)
- 5 Jean Baptiste Thellend (1860-1944)
- 5 Marie Thellend (1862-1925) m (1883, Quebec) Jean Desilets (1855-1891) s of Francois (1819-1888) and Angelique Gauthier (1818-1894)
- 5 Eugene Thellend (1864- ) m Caroline Loranger (1865- ) d of Augustin (1834- ) and Arline Laroche (1839- )
- 5 Josephine Thellend (1866-1931)
- 5 Louise Thellend (1868-1870)
- 5 Joseph Thellend (1871-1918) m (1891, Quebec) Marie Severine (1872-1900) (alias Rheault)
- 6 Florence Thellend (1902- )
- 6 Diane Thellend (1906-1944)
- 6 Raoul Thellend (1910- )
- 6 Raoul Thellend (1913- )
- 5 Francois Thellend (1854-1910) m (1874, Quebec) Hedwidge Beaudoin (1845-1911) d of Moise (1805-1886) and Sophie Dubord (1817-1898)
- 4 Elizabeth Thellend (1830-1866) (Quebec)
- 4 Jean Thellend (1832-1915) (Quebec)
- 4 Olympe Thellend (1834-1835) (Quebec)
- 3 Elizabeth Thelland (1802-1846) (St P)
- 3 John Thelland (1804-1885) (St P) m 1 (1830, Quebec) Emilie Fournier (1810-1847; 2 (1848, Quebec) Perpetue Cloutier (1815-1856)
- 2 Susanne Thelland (1774- ) (St P)
- 2 William Thelland (1772-1846) (St P) m (1793, St P) Esther Luce (1775- ) daughter of Moise and Suzanne Elisabeth, nee Mauger