Harold Sidney Blackett 1890–1960 | | | | | Frank P. Blackett 1858–1922 Elva Capilotta Springer 1860– | | | | William Blackett 1824–1902 Lucy Chamberlain 1826–1900 | | | | Robert Blackett 1796–1835 Elizabeth (Betty) Buckley 1799–1866 | | | | Thomas Blackett 1773–1821 | | |
| | | Elizabeth (Betty) Ramsden – |
|
|
|
|
| | | Joseph Springer 1828–1864 Adelia M. Jones 1833–1920 |
|
|
|
|