 Male1st Duke of Lancaster John Gaunt Plantagenet |
| Birth | 14 Mar 1340 | Belgium  |
| Death | 3 Feb 1399 | Leicester, Leicestershire, England |
| Burial | London, England |
|
| Marriage | 13 Jan 1396 | |
| Other Spouse | Blanche Lancaster | F1217 | |
| Marriage | 19 May 1359 | Reading, Berkshire, England |
| Other Spouse | Constanze Castile | F1219 | |
| Marriage | Sep 1371 | Roquefort, Landes, Aquitaine, France |
| Father | King of England King Edward Plantagenet, III | F11633 Group Sheet | |
| Mother | Phillipa de Hainault | F11633 Group Sheet | |
 FemaleDuchess of Lancaster Katherine de Roet |
| Birth | 1350 | Somme, Picardie, France |
| Death | 10 May 1403 | Lincoln, Lincolnshire, England |
| Burial | ||
| Other Spouse | Ottes 'Hugh' Swynford | F793 | |
| Marriage | 1366 | |
| Father | ||
| Mother | ||
 FemaleCountess of Westmorland Joan Plantagenet de Beaufort |
| Birth | 1375 | Anjou, Isère, Rhône-Alpes, France |
| Death | 13 Nov 1440 | Howden, Yorkshire, England |
| Burial | Lincolnshire, England |
|
| Spouse | Knight of the order of the Garter -- 1st Earl of Westmorland, 4th Baron Neville de Raby, Earl Marshal Sir Ralph de Neville, KG | F5562 | |
| Marriage | 29 Nov 1396 | Anjou, Isère, Rhône-Alpes, France |
We make every effort to document our research. There is a lot of information that I do not have, and I know there are mistakes in this tree. My feelings will not be hurt if you give me corrections or additional information, especially if you can provide sources for the information.
