Família: John of Gaunt, Duke of Lancast. / Blanche of Lancaster (F7915)
cas. 13 Mai 1359Edward III, Rei (1312-1377) 
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Philippa of Hainault (1311-1369) |
Edward, Prince of Wales (1330-1376)  |
| Edmund of Langley, Duke of York (1341-1402) |
| John of Gaunt, Duke of Lancast. (1340-1399)
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| Blanche of Lancaster (1341-1369) |