| John Marquess | Married June 29 1758 Dunbarton | Agnes McKinie |
| Margaret Marquess 1758- | Archibald Marquess 1761- | John Marquess 1763- | Agnes Marquess 1766- |
| John Marquis 1763-1832 | Married July 31, 1797 Greenock, Scotland | Marion Scott 1769-1837 |
| John Marquis 1798-1805 | Isabella Marquis 1800-1886 | Agnes Marquis 1802-1872 |
| John Marquis (ii) 1805-1864 | Marion Marquis 1807-1870 | Jane Marquis 1809-1884 |
| Isabella Marquis 1800-1886 | Married November 30, 1830 Greenock, Scotland | Donald Macdonald 1782-1863 |
| Donald Macdonald 1831-1919 | John Marquis Macdonald 1833-1852 | James Scott Macdonald 1835-1839 | Roderick Macdonald 1837-1893 |
| Donald Macdonald (jr) 1831-1919 | Married 1867 | B S Williamson |
| Donald Macdonald (jr) 1831-1919 | Married 1875 | M C Christie |
| Donald Macdonald (iii) 1876- | Andrew Christie Macdonald 1880-1917 | Roderick John Macdonald 1881- |
| John Marquis Macdonald 1883- | Somerled Reginald Macdonald 1887-1919 | Mary Agnes Macdonald 1888- |
| Isobel Marion Macdonald 1890-1925 | Olave Cunningham Macdonald 1893- | Godfrey Alastair Macdonald 1896- |
| Donald Macdonald (iii) 1876- | Married | Catherine Crawford Benzie |
| Catherine Edith Mary Macdonald 1910- | Barbara Christie Macdonald 1912- | Donald Macdonald (iv) 1914- | Colin Benzie Macdonald 1915- |
| Somerled Reginald Macdonald 1887-1919 | Married | Grace G Edwards |
| Frank Duncan Macdonald 1915- |
| Mary Agnes MacDonald 1888-1974 | Married 1920 | John Rowland Preece 1894-1974 |
| John Macdonald Preece 1923-1986 | Anne Cunningham Preece 1926-1990 |
| John MacDonald Preece 1923-1986 | Married 1968 | Puck Rienstra 1934- |
| Anne Cunningham Preece 1926-1990 | Married 1949 | Bernard Terrence Richard Thorton 1923-1967 |
| Peter Michael Bernard Thornton 1953-xxxx | Tony Alan Thornton 1955-xxxx |
| Peter Michael Bernard Thornton 1953-xxxx | Married 1994 England | Kiyomi Ikemura 1954-xxxx |
| Christina Roseanne Thornton 1994- |
| Roderick Macdonald 1837-1893 | Married | Evelyn Jane Morgan |
| Donald John Macdonald 1873-1922 | Agnes Isabella Macdonald 1874-1874 | Roderick George Macdonald 1875- |
| Evelyn Frances Macdonald 1877- | Percy Macdonald 1880- |
| Evelyn Frances Macdonald 1877- | Married | H T Dorling |
| Taprell Dorling 1918- |
| John Marquis (ii) 1805-1864 | Married October 6, 1840 South Leith, Scotland | Robina Macfie 1814-1873 |
| John Marquis (iii) 1841-1902 | Robert Marquis 1842-1909 | Alice Marquis 1844-1914 | Marion Marquis 1846-1850 |
| William Marquis 1849-1906 | Robina Marquis 1851-1892 | Jane Marquis 1853-1873 |
| John Marquis (iii) 1841-1902 | Married April 10, 1866 Edinburgh, Scotland | Jessie Johnstone Campbell 1843-1934 |
| John Campbell Marquis 1876-1928 | Margaret Dorothea Marquis 1878-1943 | Robina Marquis 1879-1960 |
| Margaret Dorothea Marquis 1878-1943 | Married Sept 12,1905 | John M Maclean |
| Margaret Anne Macgavin McLean 1907-1907 | Andrew Macgavin McLean 1908-1940 | Jean Campbell McLean 1911- | Moria Harvie McLean 1915-1972 |
| Moria Harvie McLean 1915-1972 | Married | R R L Hutchinson |
| Robina Marquis 1879-1960 | Married | William Colquhoun Fraser 1883-1958 |
| Robert Marquis 1842-1909 | Married Septmber 30,1868 Liverpool, England | Sarah Beakbane |
| Marion Marquis 1870-1956 | Robert Marquis (ii) 1875-1939 | Lilian Marquis 1876-1958 |
| Edward Marquis 1879-1931 | Alice Marquis 1880-1969 |
| Marion Marquis 1870-1956 | Married June 28, 1905 | Charles Alwin Rabus |
| Charlotte Marion Rabus 1907-1992 |
| Charlotte Marion Rabus 1907-1992 | Married | Bertram Mead Denton Barker |
| Rosalie Denton Barker 1950- |
| Rosalie Denton Barker 1950- | Married | Simon Briggs |
| Rosalie Denton Barker 1950- | Married | David John Whitehead |
| John Denton Whitehead 1979- | Edward Mead Whitehead 1982- |
| Robert Marquis (ii) 1875-1939 | Married October 8,1909 | Ethel Peacock |
| Joan Elizabeth Peacock Marquis 1913-1971 | Robert Marquis (iii) 1920-1920 | Ethel Marquis 1920-1920 |
| Joan Elizabeth Peacock Marquis 1913-1971 | Married | Mr Price |
| Anthony Price 1942- |
| Joan Elizabeth Peacock Marquis 1913-1971 | Married | Mr Heyer |
| Edward Marquis 1879-1931 | Married 1914 | Elsie Jean Anderson |
| Edward Graham Marquis 1915- | Robert Macfie Marquis 1917-1989 | Frances Mary Marquis 1920-1996 |
| Edward Graham Marquis 1915- | Married | Anne Guthrie Leete |
| Frances Marquis 1955- | Elizabeth Marquis 1959- |
| Frances Marquis 1955- | Married | James A Carter |
| Frances Marquis 1955- | Married | Edmund Faulkes |
| Thomas Aidan Marquis Faulkes 1990- | Brendan Peter Marquis Faulkes 1991- | Duncan Paul Marquis Faulkes 1993- |
| Elizabeth Marquis 1959- | Married | Robert Ian Ridder |
| Anneke Jane Ridder 1987- | Ben Graham Ridder 1988- |
| Robert Macfie Marquis 1917-1989 | Married | Mary Herndon Potter |
| Jane Herndon Marquis 1945- | Anna Mary Macfie Marquis 1948- | Edward John Alexander Marquis 1950- |
| Jane Herndon Marquis 1945- | Married | Roger Charlton Fletcher |
| Edward Charlton Fletcher 1971- | Angus Roy Fletcher 1973- | Henry Herndon Fletcher 1977- |
| Anna Mary Macfie Marquis 1948- | Married | Gordon Machray Masson |
| Hamish Machray Masson 1976- | Morag Macfie Masson 1978- | Isla MacMarquis Masson 1986- |
| Edward John Alexander Marquis 1950- | Married | Susan Robson |
| Lucy Jane Robson Marquis 1982- | James Alexander Robert Marquis 1985- | Frederic Peter Marquis 1990- |
| William Marquis 1849-1906 | Married June 7,1877 Woodchurch, England | Eliza Williams 1855-1929 |
| William Henry Marquis 1878-1957 | Maurice Charles Marquis 1879-1958 | John Francis Marquis 1886-1955 |
| William Henry Marquis 1878-1957 | Married 1914 | Ada May Councell 1891-1985 |
| Stella Marquis 1916-2001 | Henry Derek Marquis 1920- |
| Stella Marquis 1916-2001 | Married | John Herbert Taylor |
| John Anthony Taylor 1943- | Bridget Wendy Taylor 1946- |
| John Anthony Taylor 1943- | Married 1975 | Hilary Caroline Powell |
| Victoria Grace Taylor 1978- | Jeremy Julius Patrick Taylor 1980- |
| Bridget Wendy Taylor 1946- | Married | Philip Boyle |
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| Henry Derek Marquis 1920- | Married Jan 5, 1951 Leichester, England | Margaret Parish 1918- |
| Simon John Marquis 1953- | Elizabeth Jane Marquis 1956- |
| Simon John Marquis 1953- | Married Jan 5, 1993 London, England | Nicola Jane Horner 1956- |
| Sophie Horner 1985- | Clio Horner 1988- | Edward James Richard Marquis 1994- |
| Elizabeth Jane Marquis 1956- | Married Oct 5, 1995 , England | David Howard Edward Wilde - |
| Elizabeth Sarah Wilde 1999- |
| Maurice Charles Marquis 1879-1958 | Married | Elizabeth Morris Jones -1967 |
| John Francis Marquis 1886-1955 | Married | Elise May Thompson -1945 |
| James Scott | Married September 25 ,1760 Glasgow, Scotland | Isabella Thomson |
| Jean Scott 1760- | Margaret Scott 1762- | Alexander Scott 1764- |
| Isabella Scott 1766- | Marion Scott 1770-1837 | James Scott 1772- |
William Scott 1774- |
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