Lady Isabel de Beaumont, Duchess of Lancaster

1320 - 1361  (~ 41 years)

• Name	Isabel de Beaumont
  Title	Lady
  Suffix	Duchess of Lancaster
  Birth	~ 1320  [1, 2]
  Gender	Female
  Death	0___ 1361	Leicester Castle, Leicester, Leicestershire, England   [1, 2]
  	of the plague...
  Burial	Newark Abbey, Leicester, Leicestershire, England   [2]
  Person ID	I45606	The Hennessee Family
  Last Modified	20 Mar 2016

  
  

  Father	Sir Henry de Beaumont, Knight,   b. Bef 1280, France d. 10 Mar 1340, (Scotland) (Age ~ 60 years)
  Mother	Lady Alice Comyn, Countess of Buchan,   b. 0___ 1289, Aberdeen, Scotland d. 3 Jul 1349 (Age ~ 60 years)
  Marriage	0Jul 1310  [1, 3]
  Family ID	F16648	Group Sheet  |  Family Chart

  
  

  Family	Sir Henry of Grosmont, Knight, 1st Duke of Lancaster,   b. ~ 1310, Grosmont Castle, Grosmont, Monmouthshire, Wales d. 23 Mar 1361, Leicester Castle, Leicester, Leicestershire, England (Age ~ 51 years)
  Marriage	0___ 1337  [1, 2, 4]
  Children	1. Lady Blanche of Lancaster, Duchess of Lancaster,   b. 24 Mar 1345, Bolingbroke Castle, Lincolnshire, England d. 12 Sep 1368, Tutbury Castle, Staffordshire, England (Age 23 years)
  Family ID	F16649	Group Sheet  |  Family Chart
  Last Modified	30 Apr 2023

  
  

• Event Map

  Death - 0___ 1361 - Leicester Castle, Leicester, Leicestershire, England Burial - - Newark Abbey, Leicester, Leicestershire, England  = Link to Google Earth

  
  

• Notes

  Isabel de Beaumont, Duchess of Lancaster, of the House of Brienne (c.?1320 – 1361) was an English noblewoman, being the youngest daughter and child of Henry de Beaumont, Earl of Buchan and Alice Comyn. Family Isabel was born in about 1320. She had nine older siblings, including John de Beaumont, 2nd Lord Beaumont. Isabel's paternal grandparents were Louis of Brienne, Viscount de Beaumont, and Agnes, Viscountess de Beaumont. Her maternal grandparents were Alexander Comyn, Sheriff of Aberdeen and Joan le Latimer. Marriage and children She married Henry of Grosmont, 1st Duke of Lancaster in 1337. Isabel bore Henry two daughters who would eventually inherit their father's estates: Maud, Countess of Leicester (4 April 1339 – 10 April 1362), married William V, Count of Hainaut. Died without surviving issue. Blanche, Countess of Lancaster (25 March 1345 – 12 September 1369), married John of Gaunt, son of Edward III of England, by whom she had three surviving children. Blanche inherited all her father's estates after the death of her sister. Isabel died of the plague in 1361 at Leicester Castle. She was buried in Newark Abbey, Leicester. Her husband also died of the plague in March 1361.[1] Through Blanche, Isabel was an ancestress of Englands's Royal House of Lancaster, with Henry IV of England being her grandson. Philippa of Lancaster Queen consort of Portugal was also her grandchild.

  
  

• Sources

  [S9275] "Alice Comyn, Countess of Buchan", biography, https://en.wikipedia.org/wiki/Alice_Comyn,_Countess_of_Buchan, downloaded. [S9277] "Isabel of Beaumont" biography, https://en.wikipedia.org/wiki/Isabel_of_Beaumont, abstracted March 20, 2016 by David A. [S9567] "Henry de Beaumont, jure uxoris 4th Earl of Buchan and suo jure 1st Baron Beaumont (bef. 1280 - 10 March 1340" biography. [S9278] "Henry of Grosmont, 1st Duke of Lancaster" biography, retrieved March 20, 2016 by David A. Hennessee, https://en.wikiped.