| | Elizabeth Ann Blackett 1845–1921 Thomas Joseph Turnbull 1829–1886 | | |
James Jopling Blackett 1847– | | |
John Francis Blackett 1850–1851 | | |
John Debord Blackett 1853– | | |
| | Margaret Blackett 1855–1931 Charles William Firth 1849–1942 | | |
| | Isabella Blackett 1858–1940 | | |
| | John (de Bord) Debord Blackett 1815–1889 | | |