| Name | Thomas | |
| Suffix | Duke Of Clarence | |
| Birth | 1388 | Kenilworth |
| Gender | Male | |
| Death | 22 Mar 1421 | Beauge |
| Person ID | I1224 | Royal family |
| Last Modified | 15 Sep 2005 | |
| Father | Henry IV, King Of England, b. 4 Apr 1366, Bolingbrooke, Castle d. 20 Mar 1413, City of London, , London, England (Age 46 years) | |
| Mother | Mary DE_BOHUN d. 4 Jul 1394, Peterborough, Castle | |
| Marriage | 1380-1381 | Arundel Castle |
| Family ID | F450 | Group Sheet | Family Chart |
| Family | Margaret HOLLAND d. 31 Dec 1439 | |
| Marriage | 1412 | |
| Family ID | F613 | Group Sheet | Family Chart |
| Last Modified | 15 Sep 2005 | |