Frances Blackett Farquhar 1905–1985 Albert Pearsell 1902–1990 | | |
John Derek Farquhar 1938–2005 | | |
| | Gilbert Blackett Farquhar 1910– Alberta Beatrice Sophia Franklin 1910–1999 | | |
| | John George Farquhar 1884– | | | | Robson Close Blackett 1845–1917 Margaret Ann Lewis 1843–1903 | | | | | | | | | | | | Elizabeth Drydon 1739–1822 | | |
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| | | William Farquhar 1857–1921 |
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