| | Angela Frances Blackett – | | |
Theophania Eve Blackett Ogram – | | |
| | Charlotte Elizabeth (Polly) Blackett – | | |
| | Sir Hugh Francis Blackett – | | |
Charles William (see note) Blackett – | | |
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| | Elizabeth Eily Dennison 1922–1982 Sir Francis Hugh Blackett 1907–1995 | | |
| | Howard Smith Dennison 1883–1944 Eily Rose Blackett 1888–1946 | | | | Charles Dennison 1850–1897 Annie Clara Smith 1850–1921 | | | | Charles Robert Dennison 1817–1867 |
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| | | Spencer Collinson Blackett 1858–1920 Harriett Jane Manders 1860–1949 | | | | Ellen Selma Mayor 1829–1866 | | |
| | | | | | | Richard Manders 1764–1824 |
| | | James Exham Purefoy Turbett 1790–1868 | | | | George (Very Rev.) Gore 1774–1844 | | |
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