| | Franklin Joseph Moon 1921–2007 Mary Aylce Blackett 1924–2016 | | | | Edward Arthur Blackett 1885–1938 Mary Jeanetta White 1886–1957 | | | | Joseph Francis Blackett 1850–1901 Alice Geraldine Alexander 1856–1931 | | | | Robert Collingwood Blackett 1807–1878 Eleanor (Ellen) Mitchell 1810–1884 | | |
| | | Horace Martin Alexander 1812–1881 |
|
|
| | | Barnard John White 1862–1948 Mary Ann Nelson 1862–1936 |
|
|
|
|