Mary Delahey1
Child of Mary Delahey and David Morgan
- [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 VI, page 629. Hereinafter cited as The Complete Peerage.
Elizabeth Burghersh1 
She succeeded as the 3rd Baroness Burghersh [E., 1330] on 5 April 1369, suo jure.2 Her last will was dated 4 July 1409.
Children of Elizabeth Burghersh and Edward le Despenser, 1st Lord le Despenser
- Elizabeth Despenser+1 d. 10 Apr 1408 or 11 Apr 1408
- Anne le Despenser+4 d. bt 30 Oct 1426 – 31 Oct 1426
- Margaret Despenser+ b. c 1360, d. 3 Nov 1415
- unknown son Despenser4 b. b 1372
- unknown son le Despenser4 b. b 1372
- Thomas le Despenser, 1st and last Earl of Gloucester+2 b. 22 Sep 1373, d. 13 Jan 1399/0
- [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 260. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 427.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 426.
- [S37] BP2003 volume 1, page 1385. See link for full details for this source. Hereinafter cited as. [S37]
Henri de Brienne, Sire de Ramerupt1

He gained the title of Sire de Ramerupt.1 He fought in the Battle of Mansourah on 8 February 1250, during the Seventh Crusade.1
Child of Henri de Brienne, Sire de Ramerupt and Margaret de Châlon
- Erard, Sire de Ramerupt1 d. a 1278
- [S8] BP1999 volume 1, page 226. See link for full details for this source. Hereinafter cited as. [S8]
Thomas de Beauchamp, 12th Earl of Warwick 
He was appointed Knight in 1355.1 He succeeded as the 12th Earl of Warwick [E., 1088] on 13 November 1369.1 He held the office of Hereditary Sheriff of Worcestershire.1 He held the office of Pantler at the King’s Coronation.1 He was appointed Knight, Order of the Garter (K.G.) in 1373.1 He gained the rank of Admiral of the Fleet in 1377 in the towards the North.1 He held the office of Guardian of King Richard II circa February 1379/80.1 Between 1387 and 1389 he was one of the Lords Appellant who overthrew King Richard II’s advisers.1 In 1397 he was arrested on a charge of high treason against King Richard II, following which his estates and honours were forfeited.1 His titles were restored on accession of King Henry IV.1 He has an extensive biographical entry in the Dictionary of National Biography.2
Child of Thomas de Beauchamp, 12th Earl of Warwick and Margaret Ferrers
- Richard de Beauchamp, 13th Earl of Warwick+1 b. 25 Jan 1381/82, d. 30 Apr 1439
- [S37] BP2003 volume 3, page 4079. See link for full details for this source. Hereinafter cited as. [S37]
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995), reference: “Beauchamp,Thomas”. Hereinafter cited as Dictionary of National Biography.
Margaret Ferrers 
After her marriage, Margaret Ferrers was styled as Countess of Warwick before April 1381. She lived at Groby, Leicestershire, EnglandG.
Child of Margaret Ferrers and Thomas de Beauchamp, 12th Earl of Warwick
- Richard de Beauchamp, 13th Earl of Warwick+ b. 25 Jan 1381/82, d. 30 Apr 1439
- [S37] BP2003 volume 3, page 4079. See link for full details for this source. Hereinafter cited as. [S37]
- [S125] Richard Glanville-Brown, online <e-mail address>, Richard Glanville-Brown (RR 2, Milton, Ontario, Canada), downloaded 17 August 2005.
Richard Forster Matthews1 
He lived at Lartington Hall, Lartington, Yorkshire, EnglandG.1
- [S1423] Richard Berkley-Matthews, “re: Berkley-Matthews Family,” e-mail message to British and European Nobility Register, 12 August 2005. Hereinafter cited as “re: Berkley-Matthews Family.”
Katherine Mortimer1 
After her marriage, Katherine Mortimer was styled as Countess of Warwick after 22 February 1325.
Children of Katherine Mortimer and Thomas de Beauchamp, 11th Earl of Warwick
- Philippa de Beauchamp+2
- Joan de Beauchamp4
- Alice de Beauchamp5 d. 26 Oct 1383
- Maud de Beauchamp+6 d. fr Jan 1402/3 – Feb 1402/3
- Isabel de Beauchamp+2 d. 29 Sep 1416
- Reynbrun de Beauchamp+7
- John de Beauchamp7
- Roger de Beauchamp7
- Margaret de Beauchamp7
- Anne de Beauchamp7
- Juliana de Beauchamp7
- Catherine de Beauchamp7
- William Beauchamp, 1st Lord Bergavenny+1 b. bt 1330 – 1340, d. 8 May 1411
- Guy de Beauchamp+2 b. b 1338
- Thomas de Beauchamp, 12th Earl of Warwick+2 b. b 16 Mar 1338/39, d. 8 Apr 1401
- [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 24. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 3, page 4079. See link for full details for this source. Hereinafter cited as. [S37]
- [S125] Richard Glanville-Brown, online <e-mail address>, Richard Glanville-Brown (RR 2, Milton, Ontario, Canada), downloaded 17 August 2005.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 3.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 49.
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume III, page 292. Hereinafter cited as The Complete Baronetage.
- [S37] BP2003. [S37]
Sibell Baskerville1
Her married name became Whitney.3
Child of Sibell Baskerville and Sir Robert Whitney
- [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 VI, page 629. Hereinafter cited as The Complete Peerage.
- [S8598] Christine Humphrey, “re: Baskerville Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 9 August 2018. Hereinafter cited as “re: Baskerville Family.”
- [S7469] Whitney Genealogy, online http://wiki.whitneygen.org/. Hereinafter cited as Whitney Genealogy.
Thomas de Umfreville1 
Circa March 1378 he inherited the castle of Harbottle and the manor of Otterburn, which fell to him under a fine.1
Children of Thomas de Umfreville and Joan de Roddam
- Sir Thomas de Umfreville+1 b. c 1361, d. 12 Feb 1390/91
- Sir Robert de Umfreville1 b. b 9 May 1378, d. 27 Jan 1436/37
- [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 151. Hereinafter cited as The Complete Peerage.
Margaret d’Ufford 
Her married name became Ferrers.
Children of Margaret d’Ufford and Sir William Ferrers, 3rd Baron Ferrers (of Groby)
- Margaret Ferrers+ d. 27 Jan 1407
- Henry Ferrers, 4th Baron Ferrers (of Groby)+1 b. 16 Feb 1355/56, d. 3 Feb 1387/88
- [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 V, page 349. Hereinafter cited as The Complete Peerage.
