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 January 1396 | Lincoln Cathedral, Lincoln, England | MARRIAGE | 13 May 1359 | Blanche "Countess of Derby, Duchess of Lancaster" Plantagenet (LZ2B-6YG); Queen's Chapel, Reading, Berkshire, 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 | Katherine Roet (GHYY-13C) | BIRTH | 1350 | | BIRTH | 1350 | Somme, Picardie, France | DEATH | 10 May 1403 | | DEATH | 10 May 1403 | Lincoln, Lincolnshire, England | REF # | | 400826; | REF # | | 416825; | REF # | | 60; | MARRIAGE | 1362 | Sir Hugh Swynford (GHDJ-D7P); St Clement Danes Church, Westminster | FATHER | Sir Payn "Giles, Paon" Roet |
| CHILDREN | 1. | Joan Beaufort LG (9HBX-4XY) FEMALE | | BIRTH | 1375 | Chateau De Beaufort, Meuse et Loire437 | BIRTH | 1375 | Champagne-Ardenne, France882 | BIRTH | 1379 | | BIRTH | 1379 | Beaufort Castle, England1178 | BIRTH | 1379 | Beaufort Castle, Lotharingen, England437 | DEATH | 13 November 1440 | Howdon, Yorkshire, England437,882,1177,1178 | DEATH | 13 November 1440 | Howden, Humberside, East Riding, Yorkshire, England | TITLE | | Countess; | BURIAL | | Lincoln, City of Lincoln, Lincolnshire, England882,1178 | REF # | | 82636; | REF # | | 93709; | REF # | | 60; | MARRIAGE | 29 November 1396 | Ralph Neville "Baron of Raby" (LD91-3SZ); |
| 2. | Sir John "1st Earl of Somerset" Beaufort KG (9HTZ-YQ8) MALE | | BIRTH | about 1371 | Anjou, France | DEATH | 16 March 1410 | Royal Hospital of St. Katherine-by-the-Tower, London, Middlesex, England | REF # | | 400827; | REF # | | 416826; | REF # | | 60; | MARRIAGE | 28 September 1397 | Margaret Holland Countess of Somerset (LR7R-NZQ); England |
| 3. | Master Henry "Cardinal of England, Bishop of Lincoln" Beaufort (LZ2T-ZGS) MALE | | BIRTH | about 1374 | Meurthe-et-Moselle, France | DEATH | 11 April 1447 | Wolvesey Palace, Winchester, Hampshire, England | REF # | | 414954; | REF # | | 430999; | REF # | | 60; |
| 4. | Thomas "Duke of Exeter, Earl of Dorset" Lancaster KG MALE | | BIRTH | about January 1377 | Chateau de Beaufort, Meurthe-et-Moselle, Lorraine, France | DEATH | 31 December 1426 | East Greenwich, Kent, England | REF # | | 3946403; | REF # | | 4019269; | REF # | | 60; |
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