 Male1st Duke of Lancaster John Gaunt Plantagenet |
| Birth | 14 Mar 1340 | Belgium  |
| Death | 3 Feb 1399 | Leicester, Leicestershire, England |
| Burial | London, England |
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| Marriage | Sep 1371 | Roquefort, Landes, Aquitaine, France |
| Other Spouse | Blanche Lancaster | F1217 | |
| Marriage | 19 May 1359 | Reading, Berkshire, England |
| Other Spouse | Duchess of Lancaster Katherine de Roet | F1218 | |
| Marriage | 13 Jan 1396 | |
| Father | King of England King Edward Plantagenet, III | F11633 Group Sheet | |
| Mother | Phillipa de Hainault | F11633 Group Sheet | |
 FemaleConstanze Castile |
| Birth | 1354 | Castilla y Leon, Spain |
| Death | 24 Mar 1394 | Leicester, Leicestershire, England |
| Burial | ||
| Father | ||
| Mother | ||
 FemaleCatalina de Lancaster Plantagenet |
| Birth | 31 Mar 1373 | Hertford, Hertfordshire, England |
| Death | 2 Jun 1418 | Valladolid, Valladolid, Castilla-Leon, Spain |
| Burial | Castilla y León, Toledo, Castilla-La Mancha, Spain |
|
| Spouse | King Enrique de Castile, III | F13783 | |
| Marriage | Mar 1390 | Madrid, Madrid, Spain |
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.
