- 1 Pierre Tostevin (1500- ) Guernsey
- 2 Collas Tostevin (1542- ) m Le Mestre (1542- )
- 3 Leonard Tostevin(1570- ) m Colette Le Ray (1570- )
- 4 Collas Tostevin (1615-1672)
- 4 Mathieu Tostevin (1619-1678) m Rachel Le Lacheur (1628-1692)
- 5 Abraham Tostevin (1641- )
- 5 Mathieu Tostevin (1643-1718) m (1673) Marie Domaille (1643-1691)
- 6 Child Tostevin (1673-1673)
- 6 Mathieu Tostevin (1674- )
- 6 Child Tostevin (1678-1678)
- 6 Leonard Tostevin (1680- )
- 6 Thomas Tostevin (1682- ) m Brigide Griffon (1682- )
- 7 Thomas Tostevin (1714- ) m (1745) Sara Le Poidevin (1714- )
- 8 Marie Tostevin (1745- )
- 8 Thomas Tostevin (1748-1843) m (1778) Elizabeth Torode (1753- ) d of Nicolas (1724- ), s of Nicolas (1705- ); and Elizabeth de Garis (1725- )
- 9 Matthieu Tostevin (1778- )
- 9 Thomas Tostevin (1781- )
- 9 Elizabeth Tostevin (1783- )
- 9 Pierre Tostevin (1786-1823) b Guernsey, d Jersey m (1807) Elizabeth Ann Allen (1786-1876) d of James (1765-1852), s of James (1731- ) and Barbara Drew (1735); and Joan Williams (1765- )
- 10 Pierre Tostevin (1807-1867) b Guernsey, d Jersey m (1826) Mary Scilly Lamswood (1806-1871)
- 11 Peter John Tostevin (1827-1922) m Eliza Richards (1826-1916)
- 11 William Robert Tostevin (1829-1884) m Mary Ann Bowles (1836- ) d of Edward (1806- ) and Mary Ann Holloway (1805- )
- 12 Louisa Amelia Tostevin (1861- )
- 12 Florence Mary Tostevin (1863- )
- 12 Angelina Tostevin (1864- )
- 12 James WIlliam Tostevin (1866- ) m (1890) Bessie Louisa Cooper (1866- )
- 13 William Robert Tostevin (1892- )
- 13 James Albert Tostevin (1894-1972) m Elizabeth Townley (1897-1975)
- 13 Frederick Frank Tostevin (1896- )
- 12 Mary Jane Tostevin (1871- )
- 12 Isabella Emily Tostevin (1874- )
- 11 Mary Jane Tostevin (1831-1861) m John Grose (1826-1897)
- 11 Thomas Tostevin (1833-1838)
- 11 Louise Amelia Tostevin (1835- )
- 11 James Philippe Tostevin (1837-1872) m Elizabeth Johnson (1840- )
- 12 William Robert Tostevin (1859-1909) m Amelia Esther Hotton (1860- )
- 13 Hilda Louisa Tostevin (1884- )
- 13 Elsie AmeliaWilliam Tostevin (1886- )
- 13 William Tostevin (1889- )
- 13 James Clement Tostevin (1890- )
- 13 Mabel Ruby Tostevin (1893- ) m Clement Frederick Hotton (1892-1937)
- 13 Herbert Charles Tostevin (1895- ) m (1922, St P) [1] Helene Marie Avrill (1900- ), daughter of Thomas Marett William Avrill
- 14 Dulcie Louisa Tostevin (1923- )
- 14 Joan Ethel Tostevin (1926- )
- 14 Audrey Tostevin (1928- )
- 13 Clarence Tostevin (1900-1970)
- 12 Jane Tostevin (1861- )
- 12 Clara Tostevin (1866- )
- 12 James Peter Tostevin (1868- ) m (1895) Annie Briard (1874- )
- 13 Lillian Annie Tostevin (1896- )
- 13 Doris Violet Tostevin (1899- )
- 13 Ena Tostevin (1900- )
- 13 Elsie Rose Tostevin (1901- )
- 13 Philip James Tostevin (1904- )
- 13 Nancy Tostevin (1907- )
- 13 Irene Phyllis Tostevin (1909- )
- 13 Rosa Tostevin (1911- )
- 12 Mary Ann Tostevin (1870- )
- 12 William Robert Tostevin (1859-1909) m Amelia Esther Hotton (1860- )
- 11 Henry Tostevin (1839-1933) emigrated to Adelaide, Australia, with wife and nine children in 1874 m (1861) Margaretta Jane Taylor (1839-1916) d of William (1815- ) and Ann (1812- )
- 12 Henry George Tostevin (1862-1932)
- 12 Louisa Mary Tostevin (1863-1942)
- 12 Annie Tostevin (1865-1966)
- 12 Fannie Tostevin (1867-1924)
- 12 Elvina Margaretta Jane Tostevin (1869-1949)
- 12 William Peter Tostevin (1870-1948)
- 12 John Lamswood Tostevin (1871-1925) m Emma Dodd (1875- )
- 13Mabel Tostevin (1900- )
- 13 Kenneth Lamswood Tostevin (1902-1993)
- 12 Edith Maud Tostevin (1871-1968)
- 12 Adolphus Theodore Tostevin (1872-1938) m (1906) Hughina Mabel Miller (1873-1967)
- 13 Keith Rendall Tostevin (1907-2001)
- 13 Ivan Alan Tostevin (1909-1987)
- 13 Gwendoline Tostevin (1911-2001)
- 11 George Samuel Tostevin (1842-1922) m (1862) Charlotte Valance Gale (1842-1925) d of George (1820- ) and Susan Gerrard (1821- )
- 12 George William Tostevin (1864-1864)
- 12 Georgina Louise Tostevin (1865-1951) m Edward Charles Huelin (1861-1944)
- 12 Arthur George Tostevin (1868-1869)
- 12 Peter Tostevin (1870-1871)
- 12 Mary Jane Tostevin (1871-1871)
- 12 Mary Grose Tostevin (1873-1948) m Alfred Le Cornu (1879-1922)
- 12 Susan Tostevin (1874-1957) m Charles Henry Martin (1868- )
- 12 Charlotte Tostevin (1876-1960) m Winter Charles Gallie (1876-1938)
- 12 Eliza Tostevin (1880-1950)
- 12 Mabel Emily Tostevin (1883-1968) m Arthur Adolphus Pitcher (1877- )
- 12 Blanche Annie Gladstone Tostevin (1885-1891)
- 11 Nicholas Lamswood Tostevin (1845-1931) m 2, Matilda Jane Mourant ( -1943); 1, Margaret Ann Mutton (1846-1913) d of Robert (1821- ) and Mary (1823- )
- 12 William Henry Tostevin (1863-1937) m Esther Elizabeth de Than (1864-1943) d of Edmond (1820- ) and Jane Elizabeth Le Breton (1841-1918)
- 13 Florence Rose Tostevin (1886- )
- 13 William Henry Tostevin (1888-1965) m Eva Blanche Cabot (1893-1948) d of Charles (1861- ), s of Philip and Ann; and Alice (1864- )
- 14 Eva Dorothy Tostevin (1912-2004)
- 14 Lilian Esther Margaret Tostevin (1915-2007)
- 14 William Albert Charles Tostevin (1917-1977)
- 14 Ernest Tostevin (1920-1920)
- 14 Iris May Tostevin (1921-2000)
- 14 Arthur Tostevin (1925-1926)
- 14 Leonard Roy Tostevin (1927-1980)
- 13 Albert Edmund Tostevin (1895- ) m Violet Gertrude Compton (1895- )
- 13 Charles Nicolas Tostevin (1896- ) m Violet Kempley Fullham (1894- )
- 14 Percy Arthur Tostevin (1923- )
- 14 Doreen Tostevin (1925- )
- 14 Leslie Edmund Tostevin (1928- )
- 13 Percy Robert Tostevin (1900-1901)
- 13 Ernest Edward Tostevin (1902-1920)
- 13 Lillian Esther Tostevin (1904- ) m William Le Vote
- 12 Louisa Margaret Tostevin (1866-1921) m Alfred Remon
- 12 Mary Eliza Tostevin (1868- )
- 12 James Ernest Tostevin (1869-1869)
- 12 Charles Edwin Tostevin (1870- ) m (1897) Lydia Louisa Renouf (1864- ) d of John (1826- ) and Susan (1828- )
- 13 Walter Charles Tostevin (1899- )
- 13 Vera Lydia Tostevin (1901- )
- 12 John Peter Tostevin (1872- ) m Mary A Tostevin (1869- )
- 12 Florence M Tostevin (1874- ) m Alfred J Carter
- 12 Rebecca Mutton Tostevin (1876- )
- 12 Rosa M Tostevin (1878- )
- 12 Eva Lamswood Tostevin (1879-1930)
- 12 Robert James Tostevin (1881- ) m (1907) Florence Alice de la Mare (1882- )
- 13 Lilian Florence Tostevin (1908- )
- 12 May Lilian Tostevin (1884- )
- 12 Fred Percy Tostevin (1886- )
- 12 Harold Herbert Tostevin (1891- ) m Annie Jenkin (1894-1951)
- 12 William Henry Tostevin (1863-1937) m Esther Elizabeth de Than (1864-1943) d of Edmond (1820- ) and Jane Elizabeth Le Breton (1841-1918)
- 10 Elizabeth Tostevin (1809- )
- 10 Jean Tostevin (1811- )
- 10 Mary Ann Tostevin (1813- )
- 10 Jane Tostevin (1815- ) m Henry Egbert Hutchings (1814-1900)
- 10 George Tostevin (1821- )
- 10 James Francis Tostevin (1823-1913) emigrated in 1850 to Minnesota, USA m (1844) Isabella Smallridge
- 11 Maggie Tostevin (1849- )
- 11 William Tostevin (1853- )
- 11 Emily Tostevin (1860- )
- 10 Pierre Tostevin (1807-1867) b Guernsey, d Jersey m (1826) Mary Scilly Lamswood (1806-1871)
- 9 Elizabeth Tostevin (1788- )
- 9 Jacques Tostevin (1791- )
- 9 Marie Tostevin (1793- )
- 8 Matthieu Tostevin (1749- )
- 8 Jean Tostevin (1755- )
- 8 Pierre Tostevin (1757- )
- 8 Rachel Tostevin (1762- )
- 7 Mathieu Tostevin (1718- )
- 7 Brigide Tostevin (1720- )
- 7 Thomas Tostevin (1714- ) m (1745) Sara Le Poidevin (1714- )
- 6 Guillaume Tostevin (1682- )
- 6 Jacques Tostevin (1685- )
- 6 Abraham Tostevin (1691- )
- 5 Leonard Tostevin (1647- )
- 5 Michelle Tostevin (1649- )
- 5 Judith Tostevin (1654- )
- 3 Jean Tostevin (1580- )
- 3 Pierre Tostevin (1580- )
- 3 Leonard Tostevin(1570- ) m Colette Le Ray (1570- )
- 2 Collas Tostevin (1542- ) m Le Mestre (1542- )