Isabel Constance Mary Hawkins
(Notes: You may have to scroll down or right to see chart.)
| George Arthur Knibbs | 
| George Arthur Knibbs | |
| B: | 9 Nov 1924 | 
| Windsor District, Berkshire, England | |
| D: | Aft 1939 | 
| Iris Mary Knibbs | 
| Iris Mary Knibbs | |
| B: | 26 Oct 1925 | 
| Windsor District, Berkshire, England | |
| D: | Aft 1939 | 
| Joan Knibbs | 
| Joan Knibbs | |
| B: | Between 1 Oct 1932 and 31 Dec 1932 | 
| Windsor District, Berkshire, England | |
| D: | Between 1 Oct 1932 and 31 Dec 1932 | 
| Windsor District, Berkshire, England | |
  | 
| Isabel Constance Mary Hawkins | 
| Isabel Constance Mary Hawkins | |
| B: | 25 Apr 1902 | 
| Datchet, Buckinghamshire, England | |
| D: | May 1987 | 
| Harrow District, Middlesex, England | |
| Sidney Ernest Knibbs | 
| Sidney Ernest Knibbs | |
| B: | 22 Sep 1892 | 
| Old Windsor, Berkshire, England | |
| D: | Between 1 Jan 1963 and 31 Mar 1963 | 
| Hendon District, Middlesex, England | |
