

|
![]() | Edmund Lancaster, Duke of York |
| Edmund Lancaster, Duke of York | |
| B: | 5 Jun 1341 |
| Kings Langley, Hertfordshire, England | |
| D: | 1 Aug 1402 |
| Abbots Langley, Hertfordshire, England | |
![]() | Isabel Perez, Princess of Castile-Leon |
| Isabel Perez, Princess of Castile-Leon | |
| B: | 1353 |
| Morales, Tordesillas, Valladolid, Spain | |
| M: | Between 1 Jan 1371 and 1372 |
| Castle, Hertford, Hertfordshire, England | |
| D: | 23 Dec 1392 |
| Kings Langley, Hertfordshire, England | |
![]() | Joan de Holand, Duchess of York |
| Joan de Holand, Duchess of York | |
| B: | 1380 |
| of, Up Holland, Lancashire, England | |
| M: | Bef 4 Nov 1393 |
| of, King's Langley, Hertford, England | |
| D: | 12 Apr 1434 |
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