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| Father | Male Prince of England and Duke of Lancaster John of Gaunt |
| Born | Mar 1340 | St. Bavon's Abbey, Ghent, Flanders, Belgium |
| Died | 3 Feb 1398-9 | Ely Place, London, London, England |
| Buried | ||
| Married | 19 May 1359 | Reading, Berkshire, England |
| Other Spouse | Marie De Ste. Hillaire | F745 | |
| Married | Not Married | |
| Other Spouse | Catherine Roet/Swinford | F726 | |
| Married | 13 Jan 1396-7 | |
| Other Spouse | Constance/Constantina | F728 | |
| Married | Sep 1371 | |
| Father | Edward, III | F727 Group Sheet | |
| Mother | Philippa | F727 Group Sheet | |
| Mother | Female Blanche Plantagenet |
| Born | Abt. 1343 | Lancaster, England |
| Died | 12 Sep 1369-29 | Calais, Pas-de-Calais, France |
| Buried | St. Paul's Cathedral, London, England |
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| Father | ||
| Mother | ||
| Child 1 | Female Philippa of Gaunt |
| Born | 31 Mar 1360 | Leicester, leicestershire, England |
| Died | 9 Jun 1415 | |
| Buried | ||
| Spouse | John, I | F730 | |
| Married | 11 Feb 1386-7 | |
| Child 2 | Female Elizabeth of Gaunt |
| Born | Mar 1362 | Leicester, leicestershire, England |
| Died | 24 Nov 1425 | |
| Buried | ||
| Spouse | Hastings | F731 | |
| Married | 24 Jun 1380 | |
| Spouse | John Holland | F732 | |
| Married | 24 Jun 1386 | |
| Spouse | John Cornwall | F733 | |
| Married | Bef 12 Dec 1400 | |
| Child 3 | Male John Plantagenent |
| Born | Abt. 1364 | Leicester, leicestershire, England |
| Died | Bef 1366 | |
| Buried |
| Child 4 | Male Edward Plantagenet |
| Born | Abt. 1365 | Leicester, leicestershire, England |
| Died | infant | |
| Buried |
| Child 5 | Male Henry, IV |
| Born | 3 Apr 1367 | Bolingbroke Castle, Leicestershire, England |
| Died | 20 Mar 1412/3 | |
| Buried | ||
| Spouse | Joanna | F736 | |
| Married | 7 Feb 1402-3 | |
| Spouse | Mary | F734 | |
| Married | Jan 1380 | |
| Spouse | Mary De Bohun | F735 | |
| Married | Between 30 Jul 1386 & 10 Feb 1381 | |
| Child 6 | Female Isabel Plantagenet |
| Born | Abt. 1368 | Bolingbroke Castle, Leicestershire, England |
| Died | infant | |
| Buried |
| Notes |
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