| Count | Relationship | Name | Birth - Death |
|---|---|---|---|
| 1 | Parent | Cassidy, Charles George Mathew | 1983-06-20 to - |
| 2 | Parent | Cassidy, Hugo Alexander Francis | 1985-03-26 to - |
| 3 | Parent | Cassidy, Piers Maximillian Anthony | 1987-01-15 to - |
| 4 | Parent | Cassidy, Thomas Desmond Thornton | 1987-01-15 to - |
| 5 | Spouse | Cassidy, Rosamond Elizabeth | - to - |