Family: Edmund of Langley Plantagenet / Isabella of Castile (F1846)
m. Abt 1 Mar 1372Edward III King of England (1312-1377) 
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Philippa Countess of Hainault (1314-1369)
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| William Prince of England ( -1337) |
Edward Prince of England (1330-1376)  |
| Isabel Princess of England (1332-1379) |
| Joan Princess of England (1335-1348) |
| Lionel Prince of England (1338-1368) |
| John of Gaunt England, Duke (1340-1399) |
| Blanche Princess of England (1343-1343) |
| Mary Princess of England (1344-1362) |
| Margaret Princess of England (1346-1361) |
| William Prince of England (1348-1348) |
| Thomas Prince of England (1355-1397) |
| Pedro of Castile (1335-1368)
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| Maria de Padilla (1335-1363)
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| Edmund of Langley Plantagenet (1341-1402)
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| Isabella of Castile (1355-1393)
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| Edward Prince of England (1373-1415) |
| Constance of York, (Plantagenet) (1374-1416) |
| Richard Prince of England (1376-1415) |