George James Roland Bradford 1919–1992 | | |
| | Honor Rebe Blackett 1885–1943 Sir Thomas Andrews Bradford D.S.O. 1886–1966 | | |
William Andrew Blackett 1921–1955 | | |
| | Geoffrey Eliot Blackett 1893–1979 Beatrice Lilian Sefi 1899–1996 | | |
| | William Cuthbert Blackett C.B.E. 1859–1935 Anne Waddingham 1861–1934 | | | | William Cuthbert Blackett 1830–1895 Susannah Wilkinson 1828–1892 Lucy Eleanor Turton 1861–1928 | | | | William Blackett 1801–1865 Barbara Robinson 1804–1886 | | | | Cuthbert Blackett 1777–1854 | | | | Joseph Blackett 1733–1803 Elizabeth Penny 1754–1827 | | |
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| | | | William Joseph Turton 1831–1902 Lucy Catherine Howell 1833–1905 |
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| | | William Robert Edward Waddingham 1827–1911 Mary Ann Bainbridge 1840– |
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