Stephen Blackett 1929–1982 | | |
| | | | | | John William Blackett 1875–1950 | | | | Frances Marshall Blackett 1843–1882 | | | | Hugh Marshall Blackett 1822–1877 Elizabeth Jane Wheatley 1835–1875 | | | | William Stephenson Blackett 1773–1840 Elizabeth Nevins 1761–1849 Frances Marshall 1779–1864 | | |
| | | Nicholas Lockey 1787–1854 Mary Ann Munkman 1798–1858 |
| | | Susannah Maria Nixon 1814–1851 |
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