| Male Cdr. Sir Geoffrey Henry Hughes-Onslow |
| Birth | ||
| Death | ||
| Burial | ||
| Marriage | 23 Sep 1918 | |
| Father | Major Arthur Hughes-Onslow | F1120 Group Sheet | |
| Mother | ||
| Female Hon. Eileen Mabel Lowther Crofton |
| Birth | 24 Mar 1894 | |
| Death | 1972 | |
| Burial | ||
| Father | Arthur Edward Lowther (Midge) Crofton, 4th Baron | F252 Group Sheet | |
| Mother | Jessie Castle Hewitson | F252 Group Sheet | |
| Female Auriole Kathleen Hughes-Onslow |
| Birth | ||
| Death | ||
| Burial | ||
| Spouse | Re. Simon Charles David Fergusson | F319 | |
| Marriage | 22 Feb 1945 | |
