Christopher Robert Lock 1939–1989 | | |
| | Helen Romana Blackett 1908–1994 Leslie Ernest Lock 1901–1972 | | |
Frederick Blyth Blackett Oxley – | | |
Edward Ralph Blackett Oxley – | | |
| | Saffrey Blackett Oxley 1942–2019 | | |
| | Frederick Walter Oxley 1905–1960 | | |
Ernest Dudley Cade Blackett 1926–1951 | | |
| | Gladys Romana Simpson 1889–1968 Harold Frank Blackett 1881–1955 | | |