Elizabeth Ann Davidson 1872–1914 | | |
William James Dowson 1906–1923 | | |
John Henry Dowson 1911–1911 | | |
| | Matthew Ridley Dowson 1912–1986 | | |
Robert Blackett Dowson 1914–1995 Edith Mary Yearnshire 1911–2003 | | |
| | Mary Ann Davidson 1874–1914 | | |
Sarah Elizabeth Dowson 1917–2002 | | |
| | Margaret Davidson 1876–1952 | | |
Robert James Davidson 1905–1928 | | |
Elizabeth Jane Davidson 1907–1998 | | |
Tamar Ellen Davidson 1912–2002 John Edward Alfred Mortimer 1912–1992 | | |
| | Joseph Davidson 1879–1931 Tamar Jane Jackson 1876–1960 | | |
William James Davidson 1910–1983 | | |
Ronald Davidson 1915–1983 | | |
Joseph Davidson 1922–1982 | | |
Norman Davidson 1924–1986 | | |
| | William James Davidson 1881– | | |
| | | | | | Robert Blackett 1818–1874 Elizabeth Dalton 1830–1876 | | | | Margaret Collin or Tinckler (see note) 1792–1832 Margaret Dalton 1806–1880 | | | | Joseph Blackett 1742–1808 | | | | Jeremiah Blackett 1708–1781 | | |
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| | | Elisabeth Pearson 1800–1862 |
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| | | Joseph Davidson 1800–1870 |
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