| Sybil D |
| Sybil D | |
| B: | Abt 1878 |
| Donnington, Gloucestershire, England | |
|
| Earl Randal Thomas Mowbray Berkeley |
| Earl Randal Thomas Mowbray Berkeley | |
| B: | 31 Jan 1865 |
| Brussels, Belgium | |
| D: | 15 Jan 1942 |
| Thornbury, Gloucestershire, England | |
| countess Kate Jackson |
| countess Kate Jackson | |
| B: | Abt 1859 |
| High Bronglton, Lancashire, England | |
| M: | October 1887 |
| Westminster, London | |