KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US
 MaleJohn of Gaunt, Duke of Lancaster Duke of Aquitaine |
| Birth | 6 Mar 1340 | Ghent, Flanders  |
| Death | 3 Feb 1399 | Leicester Castle, Leicestershire, England |
| Burial | ||
| Marriage | 1396 | |
| Other Spouse | Blanche of Lancaster, Duchess of Lancaster | F4278 | |
| Marriage | 19 May 1359 | Reading abbey, Reading, Berkshire, England |
| Other Spouse | Constance of Castile, Infanta | F4277 | |
| Marriage | 1371 | |
| Father | Edward Plantagenet, III King of England Lord of Ireland | F3925 Group Sheet | |
| Mother | Philippa of Hainault | F3925 Group Sheet | |
 FemaleKatherine de Roet, Duchess of Lancaster |
| Birth | Abt 1350 | |
| Death | 10 May 1403 | |
| Burial | ||
| Other Spouse | Hugh Swynford | F4279 | |
| Marriage | ||
| Father | Payne de Roet, Sir | F9666 Group Sheet | |
| Mother | ||
| Male + John Beaufort, 1st Earl of Somerset 1st Marquess of Somerset 1st Marquess of Dorset KG |
| Birth | Abt 1371 | Beaufort, Champagne, France |
| Death | 16 Mar 1410 | London, England |
| Burial | ||
| Spouse | Margaret Holland | F4285 | |
| Marriage | ||
| Female + Joan Beaufort, Countess of Westmorland |
| Birth | Abt 1379 | |
| Death | 1440 | |
| Burial | ||
| Spouse | Robert Ferrers, 5th Baron Boteler of Wem | F6612 | |
| Marriage | ||
| Spouse | Ralph Neville, 1st Earl of Westmorland KG PC Earl Marshal | F4412 | |
| Marriage | ||
| Notes | Married:
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