1971-1991
| Tobias Mark (Toby) Johnson | |
| B: | 25 Mar 1971 |
| Northumberland, England, United Kingdom | |
| D: | Jul 1991 |
| Melrose, Scottish Borders, Scotland, United Kingdom | |
1947-1971
| Walter Sandfield "Sandy" Johnson | |
| B: | 5 Nov 1947 |
| Edinburgh, Midlothian, Scotland, United Kingdom | |
| D: | 6 Oct 1971 |
| Consuelo Station, Rolleston, Queensland, Australia | |
|
| Walter Mark Johnson | |
| B: | 24 Aug 1915 |
| Hutton Rudby, Hambleton, Yorkshire North Riding, England, United Kingdom | |
| D: | 3 Sep 2003 |
| Elgol, Isle of Skye, Scotland, United Kingdom | |
| Helen Victoria Medlicott | |
| B: | 4 Jun 1916 |
| Devizes, Wiltshire, England, United Kingdom | |
| M: | 6 Sep 1939 |
| Goathland, Scarborough, Yorkshire North Riding, England, United Kingdom | |
| D: | 2010 |