| Male Jestyn Reginald Austin Plantagenet PHILIPPS, 2nd Viscount St Davids |
| Birth | 19 Feb 1917 | |
| Death | 10 Jun 1991 | |
| Burial | ||
| Marriage | 5 May 1938 | |
| Other Spouse | Elisabeth Joyce Woolf | F1675 | |
| Marriage | 15 Oct 1954 | |
| Father | John Wynford PHILIPPS, 1st Viscount St Davids | F1671 Group Sheet | |
| Mother | Elizabeth Frances ABNEY-HASTINGS, Viscountess St Davids | F1671 Group Sheet | |
| Male Lord Colwyn Iestyn John PHILIPPS, 3rd Viscount St Davids |
| Birth | 30 Jan 1939 | |
| Death | 26 Apr 2009 | |
| Burial | ||
| Spouse | Augusta Victoria Correa y Larra?n Ugarte | F1673 | |
| Marriage | 1965 | |
