Family Group SheetHUSBAND | John "Duke of Lancaster" Plantagenet KG (99CX-4Y3) | BIRTH | about March 1340 | Abbaye De St Bavon, Ghent, Flandre-Orientale (Flanders) | DEATH | 3 February 1399 | Leicester Castle, Leicester, Leicestershire, England | REF # | | 284572; | REF # | | 300160; | REF # | | 60; | MARRIAGE | 13 May 1359 | Queen's Chapel, Reading, Berkshire, England | MARRIAGE | 13 January 1396 | Katherine Roet (GHYY-13C); Lincoln Cathedral, Lincoln, England | MARRIAGE | 29 September 1371 | Constanza "Infanta, Duchess of Lancaster" Castilla LG (LH7Q-C3F); Roquefort, near Bordeaux in France | FATHER | Edward III "King of England" (93RN-C7J) | MOTHER | Philippa Hainaut (9Z8W-FY1) | | WIFE | Blanche "Countess of Derby, Duchess of Lancaster" Plantagenet (LZ2B-6YG) | BIRTH | about 1341 | Lancaster, Lancashire, England | DEATH | 12 September 1368 | Tutbury Castle, Staffordshire, England | REF # | | 432801; | REF # | | 448849; | REF # | | 60; | FATHER | Henry Plantagenet KG (GS52-QVH) | MOTHER | Isabel Beaumont (G2H2-SJ1) |
| CHILDREN | 1. | Philippa "Filipa de Lencastre, Rainha de Portugal" Lancaster LG (GRBV-QRB) FEMALE | | BIRTH | 31 March 1359 | Leicester, Leicestershire, England | DEATH | 19 July 1415 | Sacavem, Lisboa, Portugal | REF # | | 3946352; | REF # | | 4019218; | REF # | | 60; |
| 2. | Elizabeth "Duchess of Exeter" Lancaster LG (GK1Y-S73) FEMALE | | BIRTH | about 1362 | Leicester, Leicestershire, England | DEATH | 24 November 1425 | Shropshire, England | REF # | | 4025018; | REF # | | 4101010; | REF # | | 60; | MARRIAGE | 1387 | John "1st Duke of Exeter" Holand KG; |
| 3. | Edward Lancaster MALE | | BIRTH | 1365 | Of, Leicester, LEI, England | DEATH | 1365 | Bordeaux, Gironde, Aquitaine, France | REF # | | 2475138; | REF # | | 2508589; | REF # | | 60; |
| 4. | Henry "King of England, of Bolingbroke, Earl of Derby" Lancaster KG (GLRB-RY7) MALE | | BIRTH | 15 April 1367 | Bolingbroke Castle, nr. Spilsby, Lincolnshire, England | DEATH | 20 March 1413 | Palace of Westminster, London, England | REF # | | 3946336; | REF # | | 4019202; | REF # | | 60; | MARRIAGE | 11 February 1381 | Mary Bohun LG; Rochford, Essex, England |
| 5. | Isabel Lancaster FEMALE | | BIRTH | about 1368 | | DEATH | about 1368 | | REF # | | 3946376; | REF # | | 4019242; | REF # | | 60; |
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