| | Steven James Blackett 1964–2018 Loraine Elizabeth Slann – | | |
| | | | | | Thomas Bertie Blackett 1887–1977 Elizabeth Reynolds 1887–1973 | | | | Robert William Blackett 1865–1952 Elizabeth Kavanagh 1856–1926 | | | | Margaret Marley 1846–1926 | | | | Robert Blackett 1816–1903 Mary Ann Weston 1819–1887 | | |
| | | Elizabeth Kirtley 1807–1894 | | |
|
|
| | | John (Cavanagh) Kavanagh 1823– | | |
|
|
| |
|
|
|