| Male Lord Colwyn Iestyn John PHILIPPS, 3rd Viscount St Davids |
| Birth | 30 Jan 1939 | |
| Death | 26 Apr 2009 | |
| Burial | ||
| Marriage | 1965 | |
| Father | Jestyn Reginald Austin Plantagenet PHILIPPS, 2nd Viscount St Davids | F1672 Group Sheet | |
| Mother | Doreen Guinness Jowett | F1672 Group Sheet | |
| Male Lord Rhodri Colwyn PHILIPPS, 4th Viscount St Davids |
| Birth | ||
| Death | ||
| Burial | ||
| Spouse | Sarah Louise Butcher, Lady St Davids | F1674 | |
| Marriage | ||