| Father | Henry III Plantagenet King of England ( - 1272) |
| Mother | Countess Eleanor De Provence (1223 - 1291) |
| Sibling | Edward "Longshanks" Plantagenet I, King of England (1239 - 1307) |
| Sibling | Margaret Plantagenet (1239 - 1307) |
| Sibling | Henry Plantagenet (1239 - ) |
| Sibling | John Plantagenet (1239 - ) |
| Sibling | Margaret (1240 - ) |
| Sibling | Margaret (Queen Of Scotland) (1240 - ) |
| Sibling | Margaret De Beaufort (1240 - 1275) |
| Sibling | Edmund Plantagenet Crouchback' (1245 - 1296) |
| Sibling | Richard Plantagenet (1247 - 1250) |
| Sibling | Richard Of England (1247 - ) |
| Sibling | Richard De Beaufort (1247 - 1256) |
| Sibling | Richard Prince of England (1247 - 1256) |
| Sibling | Catherine Princess Of England (1253 - 1256) |
| Sibling | John Prince of England (1250 - 1256) |
| Sibling | Prince John Of England (1250 - 1256) |
| Sibling | John (1250 - ) |
| Sibling | William De Beaufort (1252 - 1256) |
| Sibling | Catherine Plantaganet (1252 - 1257) |
| Sibling | Catherine (Princess Of England) (1253 - 1256) |
| Sibling | Catherine (1253 - 1257) |
| Sibling | Catherine 'The Mute' Princess of England (1253 - 1257) |
| Sibling | Catherine England [Princess] (1253 - ) |
| Sibling | Catherine Princess Of England (1253 - 1256) |
| Sibling | Katherine England (1253 - ) |
| Sibling | Catherine De Beaufort (1253 - 1257) |
| Sibling | Katherine England (1253 - ) |
| Sibling | William Prince of England (1256 - 1256) |
| Sibling | William Plantagenet (1256 - 1285) |
| Sibling | Henry (1256 - ) |
| Sibling | Henry (1256 - ) |
| Sibling | Henry Prince Of England (1258 - 1265) |
| Sibling | Henry (Prince Of England) (1258 - ) |
| Sibling | Henry Plantagenet Prince (1258 - ) |
| Sibling | Henry Pr. of England (1258 - ) |
| Sibling | Henry Prince of England (1258 - ) |
| Sibling | Henry Prince Of England (1258 - ) |
| Sibling | Henry Prince of England (1258 - ) |
| Sibling | Henry Prince Of England (1260 - ) |
| Sibling | Beatrice ( - ) |
| Sibling | Beatrix Duchess Of Brittany ( - ) |
| Sibling | Edmund Earl Of Lancaster ( - ) |
| Sibling | Henry ( - ) |
| Sibling | Henry ( - ) |
| Sibling | John ( - ) |
| Sibling | John ( ( - ) |
| Sibling | Katherine ( - ) |
| Sibling | Margaret ( - ) |
| Sibling | King Edward I Of England (1239 - 1307) |
| Sibling | Margaret of England "Queen of Scots" Plantagenet (1240 - 1275) |