| Edward Simon Myles Cavendish |
| Edward Simon Myles Cavendish | |
| B: | 4 Aug 1928 |
| Hertford, Hertfordshire, Oxfordshire, Buckinghamshire, Middlesex | |
| D: | 4 Jan 1947 |
| Surrey South Western, Surrey, England | |
| Ralph Henry Voltelin Cavendish |
| Ralph Henry Voltelin Cavendish | |
| B: | 27 Mar 1887 |
| Colombo, Western Sri Lanka, Sri Lanka | |
| D: | 21 Jun 1968 |
| St Marylebone, London, England | |
| Lady Gweneth Frida PONSONBY |
| Lady Gweneth Frida PONSONBY | |
| B: | 15 Jun 1888 |
| Marylebone, London, England | |
| M: | 4 Feb 1926 |
| London, Middlesex, , England | |
| D: | 5 May 1984 |
| Maidstone, Kent, England | |