1911 - Abt 1963 (52 years)
| Julian Hartwell | |
| B: | 4 Dec 1961 |
| D: | 8 Jan 2003 |
Abt 1966-2010
| Neil Anthony Hartwell | |
| B: | Abt Mar 1966 |
| Northampton, Northamptonshire, UK | |
| D: | 17 Dec 2010 |
| London, UK | |
| Valerie Ann John | |
| B: | 8 Jan 1941 |
| Luton, Bedfordshire, UK | |
| D: | Feb 2001 |
|
| Frederick George Hartwell | |
| B: | 13 Mar 1911 |
| Banbury, Oxfordshire, UK | |
| D: | Abt Mar 1963 |
| Aylesbury, Buckinghamshire, UK | |
| Lilian Ida Cox | |
| B: | 3 Jun 1915 |
| Hemel Hempstead, Hertfordshire, UK | |
| M: | 3 Aug 1935 |
| St Faith Church, Newton Longville, Buckinghamshire, UK | |
| D: | 24 May 2015 |
| Milton Keynes Hospital, Buckinghamshire, UK | |
