John of Gaunt, Duke of Lancaster

1340 - 1399  (58 years)

• Name	John of Gaunt  [1, 2]
  Suffix	Duke of Lancaster
  Birth	6 Mar 1340
  Gender	Male
  Title	Duke of Lancaster  [1]
  Title	Earl of Derby  [1]
  Title	Earl of Leicester  [1]
  Title	Earl of Lincoln  [1]
  Title	Lord High Steward  [1]
  Death	3 Feb 1399	Leicester Castle, Leicestershire, England   [1]
  Burial	St. Paul's Cathedral, London, England   [1]
  Person ID	I16	Trastámara Genealogy
  Last Modified	22 Jan 2025

  
  

  Father	Edward III of England, King of England,   b. 13 Nov 1312, Windsor Castle, Berkshire, England d. 21 Jun 1377, Richmond, Surrey, England (Age 64 years)
  Mother	Philippa of Hainault,   b. 1310–1315, Valenciennes, Hainaut, Holy Roman Empire d. 15 Aug 1369, Windsor Castle, Berkshire, England (Age 54 years)
  Family ID	F81	Group Sheet  |  Family Chart

  
  

  Family 1	Blanche of Lancaster, Duchess of Lancaster,   b. 25 Mar 1342, Bolingbroke Castle, Lincolnshire, England d. 12 Sep 1368, Tutbury Castle, Staffordshire, England (Age 26 years)
  Marriage	19 May 1359	Reading Abbey, Reading, Berkshire, England   [1]
  Children	+ 1. Philippa of Lancaster,   b. 31 Mar 1360   d. 19 Jul 1415 (Age 55 years)   2. John of Lancaster,   b. 1362-1364   3. Elizabeth of Lancaster,   b. 21 Feb 1363   d. 24 Nov 1426 (Age 63 years)   4. Edward of Lancaster,   b. 1365   d. 1365 (Age 0 years)   5. John of Lancaster,   b. 4 May 1366   6. Henry IV of England, King of England,   b. 15 Apr 1367   d. 20 Mar 1413 (Age 45 years)   7. Isabel of Lancaster,   b. 1368
  Family ID	F72	Group Sheet  |  Family Chart
  Last Modified	22 Jan 2025

  
  

  Family 2	Constance of Castile, Duchess of Lancaster,   b. 1354, Castrojeriz, Burgos, Castilla-Leon, Spain d. 24 Mar 1394, Leicester Castle, Leicestershire, England (Age 40 years)
  Marriage	21 Sep 1371	Roquefort, Landes, Nouvelle-Aquitaine, France   [2]
  Children	1. John of Lancaster,   b. 1374   d. 1375 (Age 1 year) + 2. Catherine of Lancaster, Queen of Castile,   b. 31 Mar 1373, Hertford Castle, Hertfordshire, England d. 2 Jun 1418, Valladolid, Castilla-Leon, Spain (Age 45 years)
  Family ID	F5	Group Sheet  |  Family Chart
  Last Modified	22 Jan 2025

  
  

  Family 3	Katherine Swynford   d. 10 May 1403
  Marriage	1396
  Children	1. John Beaufort, 1st Earl of Somerset ,   b. 1372-1373   d. 16 Mar 1410 (Age 37 years)   2. Henry Beaufort,   b. Abt. 1375   d. 13 Nov 1440 (Age ~ 65 years)   3. Joan Beaufort,   b. Abt. 1377   d. 13 Nov 1440 (Age ~ 63 years)   4. Thomas Beaufort, 1st Earl of Dorset,   b. Abt. Jan 1381   d. 27 Dec 1426 (Age ~ 45 years)
  Family ID	F84	Group Sheet  |  Family Chart
  Last Modified	22 Jan 2025

  
  

• Photos

  John of Gaunt, 1st Duke of Lancaster

  
  

• Sources

  [S18] "Blanche of Lancaster," Wikipedia, last modified 18 Jan 2025, https://en.wikipedia.org/wiki/Blanche_of_Lancaster. [S19] "Constance of Castile, Duchess of Lancaster," Wikipedia, last modified 25 Nov 2024, https://en.wikipedia.org/wiki/Constance_of_Castile,_Duchess_of_Lancaster.