Janet Keith1 
Her married name became de Arbuthnott.1
- [S8] BP1999 volume 1, page 99. See link for full details for this source. Hereinafter cited as. [S8]
Laurette de Hainaut 
She was also known as Laurentia.
Children of Laurette de Hainaut and Bouchard V, seigneur de Montmorency seigneur de d’Ecouen, de Marly et de Conflans-Sainte-Honorine
- Alice de Montmorency+ d. 24 Feb 1221
- Mathieu II de Montmorency, Seigneur de Montmorency+2 b. 1174, d. 24 Nov 1230
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S1916] Tim Boyle, “re: Boyle Family,” e-mail message to BENR, 16 September 2006. Hereinafter cited as “re: Boyle Family.”
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Simon de Montfort 
Child of Simon de Montfort and Amice de Beaumont
- Simon de Montfort, 5th Earl of Leicester+ b. c 1170, d. 25 Jun 1218
Amice de Beaumont 
Child of Amice de Beaumont and Simon de Montfort
- Simon de Montfort, 5th Earl of Leicester+ b. c 1170, d. 25 Jun 1218
Robert de Beaumont, 3rd Earl of Leicester 
He gained the title of 3rd Earl of Leicester in 1168.
Children of Robert de Beaumont, 3rd Earl of Leicester and Pernel de Grandmesnil
- Amice de Beaumont+ d. 3 Sep 1215
- Robert de Beaumont, 4th Earl of Leicester2 d. c 21 Oct 1204
- Margaret de Beaumont+3 d. c 12 Jan 1234/35
- Sir William de Hamilton+
- [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 VII, page 527. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume VII, page 533.
- [S6] Cokayne, and others, The Complete Peerage, volume VII, page 532.
Pernel de Grandmesnil 
She was also known as Petronilla.
Children of Pernel de Grandmesnil and Robert de Beaumont, 3rd Earl of Leicester
- Amice de Beaumont+ d. 3 Sep 1215
- Robert de Beaumont, 4th Earl of Leicester2 d. c 21 Oct 1204
- Margaret de Beaumont+ d. c 12 Jan 1234/35
- Sir William de Hamilton+
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [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 VII, page 533. Hereinafter cited as The Complete Peerage.
Robert de Beaumont, 4th Earl of Leicester1 
He succeeded as the 4th Earl of Leicester in 1190.
- [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 VII, page 533. Hereinafter cited as The Complete Peerage.
Margaret de Arbuthnott1
From 24 February 1410, her married name became Monypenny.1
Child of Margaret de Arbuthnott and Sir William Monypenny
- William Monypenny, 1st Lord Monypenny+2 b. c 1411, d. b Mar 1469/70
- [S8] BP1999 volume 1, page 99. See link for full details for this source. Hereinafter cited as. [S8]
- [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 IX, page 161. Hereinafter cited as The Complete Peerage.
Margaret de Beaumont 
Children of Margaret de Beaumont and Saher de Quency, 1st Earl of Winchester
- Roger de Quency, 2nd Earl of Winchester+2 d. 25 Apr 1264
- Robert de Quincy, Lord of Ware+3 d. Aug 1257
- Arabella de Quency+ d. b 1258
- [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 VII, page 532. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume XII/2, page 750.
- [S5162] Werner Kittel, “re: Normandy Families,” family provided evidence then verified by subsequent research and verification by BENR (101053), 4 February 2011. Hereinafter cited as “re: Normandy Families.”
Sir William Monypenny1
Child of Sir William Monypenny and Margaret de Arbuthnott
- William Monypenny, 1st Lord Monypenny+2 b. c 1411, d. b Mar 1469/70
- [S8] BP1999 volume 1, page 99. See link for full details for this source. Hereinafter cited as. [S8]
- [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 IX, page 161. Hereinafter cited as The Complete Peerage.