World of HYDE
Discovering our Ancestors and their descendants to all parts of the world. Last updated 15th March 2026.
Family: John Plantagenet, 1st Duke of Lancaster / Constanza De Castilla, Duchess Of Lancaster (F33385)
m. 21 Sep 1371
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 | Edward Plantagenet, III King Of England (1312-1377)
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 | Philippa d'Avesnes, Queen consort of England (1311-1369)
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| Princesa Isabel De Inglaterra (1332-1379)  |
| Edward Plantagenet, Of Woodstock (1330-1376) |
| Prince William Plantagenet, Of England (1336-1337) |
| Edmund Plantagenet, Of Langley Kg York (1341-1402) |
| Margaret Plantagenet (1346-1362) |
| Thomas Plantagenet, Of Woodstock St Duke Of Gloucester St Earl Of Buckingham St Earl Of Essex Duke Of Aumale (1354-1397) |
| Joan Of The Tower Plantagenet (1334-1348) |
| Pedro I. Rey de Castilla (1334-1369) |
| María De Padilla (1334-1361) |
| John Plantagenet, 1st Duke of Lancaster (1340-1399)
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| Constanza De Castilla, Duchess Of Lancaster (1354-1394)
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| Reina Catalina De Lancaster (1373-1418) |
| John Of Lancaster (1374-1375) |