Isabella Plantagenet1 
She was a nun before 6 April 1337 at Amesbury Abbey, Amesbury, Wiltshire, EnglandG.1 She held the office of Prioress of Amesbury of the Amesbury Abbey before 23 March 1344.1
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
Lady Eleanor Plantagenet1 
She was also known as Eleanor of Lancaster. From before June 1337, her married name became Beaumont. From 5 February 1345, her married name became FitzAlan.1 After her marriage, Lady Eleanor Plantagenet was styled as Countess of Arundel on 5 February 1344/45.
Children of Lady Eleanor Plantagenet and John de Beaumont, 2nd Baron Beaumont
- Joan Beaumont1 d. a 1400
- Henry de Beaumont, 3rd Baron Beaumont+1 b. c 1340, d. 25 Jul 1369
Children of Lady Eleanor Plantagenet and Richard FitzAlan, 3rd/10th Earl of Arundel
- Edmund FitzAlan1 b. c 1346, d. c 1366
- Richard FitzAlan, 4th/11th Earl of Arundel+1 b. 1346, d. 21 Sep 1397
- Lady Joan FitzAlan+1 b. 1347, d. 7 Apr 1419
- Lady Alice FitzAlan+1 b. c 1350, d. 17 Mar 1416
- John d‘Arundel, 1st Lord Arundel+3 b. c 1351, d. 16 Dec 1379
- Thomas FitzAlan3 b. c 1353, d. 19 Feb 1413/14
- Lady Eleanor FitzAlan3 b. c 1355, d. b 1366
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 60. Hereinafter cited as The Complete Peerage.
- [S11] Alison Weir, Britain’s Royal Families, page 79.
John de Beaumont, 2nd Baron Beaumont1,2,3 
He was appointed Knight on 2 May 1338.2 He fought in the campaign in France in 1339.2 He succeeded as the 2nd Baron Beaumont [E., 1309] on 10 March 1339/40.2
Children of John de Beaumont, 2nd Baron Beaumont and Lady Eleanor Plantagenet
- Joan Beaumont1 d. a 1400
- Henry de Beaumont, 3rd Baron Beaumont+1 b. c 1340, d. 25 Jul 1369
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 60. Hereinafter cited as The Complete Peerage.
- [S8] BP1999 volume 1, page 228. See link for full details for this source. Hereinafter cited as. [S8]
Henry de Beaumont, 3rd Baron Beaumont1,2,3 
He succeeded as the 3rd Baron Beaumont [E., 1309] in May 1342.2 He was naturalized as a English subject, by Act of Parliament in 1351.2 In 1360 he did homage for his lands.2
Children of Henry de Beaumont, 3rd Baron Beaumont and Margaret de Vere
- John de Beaumont, 4th Baron Beaumont+2 b. c 1361, d. 9 Sep 1396
- Eleanor Beaumont b. 1363
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 61. Hereinafter cited as The Complete Peerage.
- [S8] BP1999 volume 1, page 228. See link for full details for this source. Hereinafter cited as. [S8]
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 78. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S8] BP1999. [S8]
Margaret de Vere1 
Her married name became Beaumont.1,2 From after 1369, her married name became Lovain.3 From after 1375, her married name became Devereux.2
Children of Margaret de Vere and Henry de Beaumont, 3rd Baron Beaumont
- John de Beaumont, 4th Baron Beaumont+2 b. c 1361, d. 9 Sep 1396
- Eleanor Beaumont b. 1363
Children of Margaret de Vere and Sir John Devereux, 1st Lord Devereux
- Joan Devereux+4 d. 11 May 1409
- John Devereux, 2nd Lord Devereux5
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 61. Hereinafter cited as The Complete Peerage.
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 78. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 435.
- [S2] Peter W. Hammond, The Complete Peerage, Volume XIV, page 126.
John de Vere, 7th Earl of Oxford1 
He succeeded as the 7th Earl of Oxford [E., 1142] on 17 April 1331.1 He fought in the Battle of Crécy in 1340.2 He held the office of Hereditary Master Chamberlain of England, which he successfully claimed.2 He fought in the Battle of Poitiers in 1356.2
Children of John de Vere, 7th Earl of Oxford and Maud de Badlesmere
- Elizabeth de Vere+2 d. 23 Sep 1375
- Robert de Vere2 d. b 1359
- Margaret de Vere+1 d. 15 Jun 1398
- Maud de Vere3 d. 1359
- John de Vere2 b. c Dec 1335, d. b 23 Jun 1350
- Thomas de Vere, 8th Earl of Oxford+2 b. c 1336, d. 18 Sep 1371
- Aubrey de Vere, 10th Earl of Oxford+2 b. c 1339, d. 23 Apr 1400
Joan Beaumont1 
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
Edmund FitzAlan1 
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
Lady Elizabeth de Bohun1 
From 28 September 1359, her married name became FitzAlan.3 After her marriage, Lady Elizabeth de Bohun was styled as Countess of Arundel on 24 January 1375/76.
Children of Lady Elizabeth de Bohun and Richard FitzAlan, 4th/11th Earl of Arundel
- Lady Elizabeth Fitzalan+5 b. c 1374, d. 8 Jul 1425
- Lady Joan FitzAlan+6 b. 1375, d. 14 Nov 1435
- Lady Margaret FitzAlan5 b. a 1375
- Thomas Fitzalan, 5th/12th Earl of Arundel4 b. 13 Oct 1381, d. 13 Oct 1415
- Lady Alice FitzAlan+7 b. b 1382, d. b 1415
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
- [S125] Richard Glanville-Brown, online <e-mail address>, Richard Glanville-Brown (RR 2, Milton, Ontario, Canada), downloaded 17 August 2005.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume I, page 244. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume I, page 245.
- [S6] Cokayne, and others, The Complete Peerage, volume I, page 246.
- [S6] Cokayne, and others, The Complete Peerage, volume I, page 24.
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 39. Hereinafter cited as The Complete Peerage, Volume XIV.
Humphrey de Bohun, 7th Earl of Hereford1 
He was styled as 7th Earl of Hereford in 1361. He gained the title of 6th Earl of Essex.1 He gained the title of 2nd Earl of Northampton.1
Children of Humphrey de Bohun, 7th Earl of Hereford and Lady Joan FitzAlan
- Lady Eleanor de Bohun+ b. c 1366, d. 3 Oct 1399
- Lady Mary de Bohun+2 b. c 1369, d. 4 Jul 1394
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 78. Hereinafter cited as Britain’s Royal Families.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 70. Hereinafter cited as The Complete Peerage.
