| | Vesta Patricia Blackett 1931–2017 Derrick Sidney Taylor 1926–2001 | | |
Victor Sylvester Harry Blackett 1934–2014 | | |
| | Sylvester Blackett 1905–1993 | | | | Silvester Raine Blackett 1879–1937 Emily Jane Horton 1882–1950 | | | | Robert Blackett 1848–1896 | | | | Cuthbert Blackett 1814–1875 | | | | Cuthbert Blackett 1778–1861 Ann (Hannah) Bell 1777–1859 | | |
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| | | Jane Stephenson 1837–1916 |
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