Individual Details

Henry Grosmont of Derby Plantagenet

(Bet 1299 and 1314 - 24 March 1360/61)

thePeerage.com

Henry Grosmont of Derby Plantagenet, 1st Duke of Lancaster1

M, #102141, b. between 1299 and 1314, d. 24 March 1360/61
Last Edited=14 Feb 2005
Consanguinity Index=0.01%
Henry Grosmont of Derby Plantagenet, 1st Duke of Lancaster was born between 1299 and 1314 at Grosmont Castle, Monmouthshire, WalesG.1 He was the son of Henry Plantagenet, 3rd Earl of Lancaster and Matilda de Chaworth. He married Isabella de Beaumont, daughter of Henry Beaumont, 1st Earl of Buchan and Alice Comyn, circa 1337.2 He died on 24 March 1360/61 at Leicester Castle, Leicester, Leicestershire, EnglandG, from the bubonic plague.1,2 He was buried at Newark Abbey, Leicester, Leicestershire, EnglandG.1
He gained the title of Earl of Derby on 16 March 1337.1 He gained the title of Lord of Beaufort and Nogent on 22 September 1345.1 He succeeded as the Earl of Lancaster on 22 September 1345.1 He gained the title of Earl of Leicester on 22 September 1345.1 He was appointed Knight, Order of the Garter (K.G.) in 1348.1 He gained the title of Earl of Lincoln on 20 August 1349.1 He gained the title of 1st Duke of Lancaster on 6 March 1351.1 He gained the title of Earl of Moray on 5 April 1359.1
Children of Henry Grosmont of Derby Plantagenet, 1st Duke of Lancaster and Isabella de Beaumont

Matilda Plantagenet, Countess of Leicester2 b. 4 Apr 1339, d. 10 Apr 1362
Blanche of Lancaster, Countess of Derby+2 b. 25 Mar 1345, d. 12 Sep 1369
Citations

[S11] Alison Weir, Britain's Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 76. Hereinafter cited as Britain's Royal Families.
[S8] BP1999 volume 1, page 228. See link for full details for this source. Hereinafter cited as. [S8]

Events

BirthBet 1299 and 1314
Title (Nobility)16 Mar 1337Earl of Derby
Title (Nobility)6 Mar 13511st Duke of Lancaster
Death24 March 1360/61

Families

SpouseIsabella de Beaumont (1320 - 1361)
ChildBlanche of Lancaster (1345 - 1369)