Individual Details
John de Beaufort
(Bet 1371 and 1373 - 16 March 1409/10)
thePeerage.com
John de Beaufort, 1st Earl of Somerset
M, #101971, b. between 1371 and 1373, d. 16 March 1409/10
Last Edited=7 Jul 2014
Consanguinity Index=0.0%
John de Beaufort, 1st Earl of Somerset was born illegitimately between 1371 and 1373.1,2 He was the son of John of Gaunt, Duke of Lancaster and Katherine Roët. He married Lady Margaret de Holand, daughter of Thomas de Holand, 2nd/5th Earl of Kent and Lady Alice FitzAlan, before 28 September 1397.1 He died on 16 March 1409/10 at Hospital of St. Katherine-by-the-Tower, The City, London, EnglandG.1 He was buried at Canterbury Cathedral, Canterbury, Kent, EnglandG.1
He was appointed Knight, Order of the Garter (K.G.) circa 1397.1 In February 1397 his illegitimate birth was legitimated by Parliament and Papal decree.2 He was created 1st Earl of Somerset [England] on 10 February 1397.1 He was created 1st Marquess of Somerset [England] on 29 September 1397.1 He was created 1st Marquess of Dorset [England] on 29 September 1397.1 He was deposed as Marquess of Dorset and Somerset on 3 November 1399.1 He held the office of Constable of England in 1404.2 He has an extensive biographical entry in the Dictionary of National Biography.3
Children of John de Beaufort, 1st Earl of Somerset and Lady Margaret de Holand
Lady Joan Beaufort+2 d. 15 Jul 1445
Lady Margaret Beaufort+4 b. c 1400, d. Nov 1449
Henry Beaufort, 2nd Earl of Somerset2 b. 26 Nov 1401, d. 25 Nov 1418
John Beaufort, 1st Duke of Somerset+2 b. b 25 Mar 1404, d. 27 May 1444
Thomas Beaufort, Earl of Perche5 b. 1405, d. 1432
Edmund Beaufort, 1st Duke of Somerset+2 b. c 1406, d. 22 May 1455
Citations
[S11] Alison Weir, Britain's Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 102. Hereinafter cited as Britain's Royal Families.
[S8] BP1999 volume 1, page 220. See link for full details for this source. Hereinafter cited as. [S8]
[S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995), reference: "Beaufort, John de". Hereinafter cited as Dictionary of National Biography.
[S37] BP2003 volume 1, page 1123. See link for full details for this source. Hereinafter cited as. [S37]
[S11] Alison Weir, Britain's Royal Families, page 104.
John de Beaufort, 1st Earl of Somerset
M, #101971, b. between 1371 and 1373, d. 16 March 1409/10
Last Edited=7 Jul 2014
Consanguinity Index=0.0%
John de Beaufort, 1st Earl of Somerset was born illegitimately between 1371 and 1373.1,2 He was the son of John of Gaunt, Duke of Lancaster and Katherine Roët. He married Lady Margaret de Holand, daughter of Thomas de Holand, 2nd/5th Earl of Kent and Lady Alice FitzAlan, before 28 September 1397.1 He died on 16 March 1409/10 at Hospital of St. Katherine-by-the-Tower, The City, London, EnglandG.1 He was buried at Canterbury Cathedral, Canterbury, Kent, EnglandG.1
He was appointed Knight, Order of the Garter (K.G.) circa 1397.1 In February 1397 his illegitimate birth was legitimated by Parliament and Papal decree.2 He was created 1st Earl of Somerset [England] on 10 February 1397.1 He was created 1st Marquess of Somerset [England] on 29 September 1397.1 He was created 1st Marquess of Dorset [England] on 29 September 1397.1 He was deposed as Marquess of Dorset and Somerset on 3 November 1399.1 He held the office of Constable of England in 1404.2 He has an extensive biographical entry in the Dictionary of National Biography.3
Children of John de Beaufort, 1st Earl of Somerset and Lady Margaret de Holand
Lady Joan Beaufort+2 d. 15 Jul 1445
Lady Margaret Beaufort+4 b. c 1400, d. Nov 1449
Henry Beaufort, 2nd Earl of Somerset2 b. 26 Nov 1401, d. 25 Nov 1418
John Beaufort, 1st Duke of Somerset+2 b. b 25 Mar 1404, d. 27 May 1444
Thomas Beaufort, Earl of Perche5 b. 1405, d. 1432
Edmund Beaufort, 1st Duke of Somerset+2 b. c 1406, d. 22 May 1455
Citations
[S11] Alison Weir, Britain's Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 102. Hereinafter cited as Britain's Royal Families.
[S8] BP1999 volume 1, page 220. See link for full details for this source. Hereinafter cited as. [S8]
[S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995), reference: "Beaufort, John de". Hereinafter cited as Dictionary of National Biography.
[S37] BP2003 volume 1, page 1123. See link for full details for this source. Hereinafter cited as. [S37]
[S11] Alison Weir, Britain's Royal Families, page 104.
Events
| Birth | Bet 1371 and 1373 | ||||
| Title (Nobility) | 10 Feb 1397 | 1st Earl of Somerset | |||
| Marriage | Bef 28 Sep 1397 | Margaret de Holland | |||
| Death | 16 March 1409/10 |
Families
| Spouse | Margaret de Holland (1381 - 1439) |
| Father | John of Gaunt (1340 - 1399) |
| Mother | Katherine Roët (1350 - 1403) |
| Sibling | Joan Beaufort (1379 - 1440) |