• [S590] Inc. Brøderbund Software, World Family Tree Vol. 12, Ed. 1, Family # (n.p.: Release date: July 28, 1997, unknown publish date).
  • [S591] Inc. Brøderbund Software, GEDCOM file imported on 25 Oct 1999 from World Family Tree Vol. 13, Ed. 1, Family #2217 (n.p.: Release date: August 14, 1997, unknown publish date).
  • [S597] Inc. Brøderbund Software, World Family Tree Volume 14, Family # 1463 (n.p.: Release date: October 20, 1997, unknown publish date).
  • [S630] Unknown author, Broderbund WFT Vol. 2, Ed. 1, Tree #1822, Date of Import: 27 Jul 1997 (n.p.: n.pub., unknown publish date).
  • [S739] David Faris and Souglas Richardson, "The Parents of Agatha, Wife of Edward the Exile", The New England Historical and Genealogical Register, April 1998, 152:224-235 (n.p.: The New England Historic Genealogical Society
    Boston, April 1998, unknown publish date).
  • [S913] e-mail address, online http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?db=ralphroberts, Ralph Robert (unknown location), downloaded updated 10 Feb 2002.
  • [S920] e-mail address, online http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?db=ulsterboyd, Ronald E. Boyd (unknown location), downloaded updated 9 May 2001.
  • [S1143] Unknown author, roberts.GED (n.p.: n.pub., unknown publish date).
  • [S1147] Unknown author, actuarius.ged (n.p.: n.pub., unknown publish date).
  • [S1148] Unknown author, 919019.ged (n.p.: n.pub., unknown publish date).
  • [S1149] Unknown author, glenna_inglis.ged (n.p.: n.pub., unknown publish date).
  • [S1150] Unknown author, temp.FTW (n.p.: n.pub., unknown publish date).
  • [S1217] e-mail address, online http://worldconnect.rootsweb.com/cgi-bin/igm.cgi?db=:1590432, Sue Cary (unknown location), downloaded updated 25 Aug 2001.
  • [S1223] Olice Gall Newcomer, The Gall and Williams Genealogy (n.p.: n.pub., 1953). Hereinafter cited as The Gall and Williams Genealogy.
  • [S1433] Jozeph F. O'Callaghan, A History of Medieval Spain (Ithaca, NY: Cornell University Press, 1975). Hereinafter cited as History of Medieval Spain.
  • [S1497] Esteban Trento, "Trento email "Re: Diego Lopez de Haro, de Vizcaya/Biscay"," e-mail message from e-mail address (unknown address) to e-mail address, 5 November 2003. Hereinafter cited as "Trento email 5 November 2003."
  • [S1502] Brad Verity, "Verity email "Descendants of Eleanor de Clare, lady of Tewkesbury & Glamorgan"," e-mail message from e-mail address (unknown address) to e-mail address, 20 October 2003. Hereinafter cited as "Verity email 2-20 October 2003."
  • [S1526] Douglas Richardson, "Richardson 19 Nov email "CP Correction: Death date of Elizabeth (Percy) (Clifford) Neville"," e-mail message from e-mail address (unknown address) to e-mail address, 19 Nov 2003. Hereinafter cited as "Richardson email 19 Nov 2003."
  • [S1543] Clara Estow, Pedro the Cruel of Castille 1350-1369 (Leiden, New York, Koln: E. J. Brill, 1995). Hereinafter cited as Pedro the Cruel.
  • [S1562] Douglas Richardson, "Richardson 21 Jan 2004 email "Complete Peerage Addition: Marriage date of Margaret Bromflete and Lancelot Threlkeld"," e-mail message from e-mail address (unknown address) to e-mail address, 21 Jan 2004. Hereinafter cited as "Richardson email 21 Jan 2004."
  • [S1639] John P. Ravilious, "Ravilious email 23 May 2004: "Re: Peter de Valognes/Peter de Valence/Piers de Valoins"," e-mail message from e-mail address (https://groups.google.com/g/soc.genealogy.medieval/c/v8KdQqA2zSY/m/uz35oFhwDgwJ) to e-mail address, 23 May 2004. Hereinafter cited as "Ravilious email 23 May 2004."
  • [S1713] David Utz, "Utz email #1 29 May 2005 "Aline de Gai's descents to Anne Arundell"," e-mail message from e-mail address (unknown address) to e-mail address, 29 May 2005. Hereinafter cited as "Utz email #1 29 May 2005."
  • [S1720] David Utz, "Utz email #2 29 May 2005 "Aline de Gai's descents to Robert Abell"," e-mail message from e-mail address (unknown address) to e-mail address, 29 May 2005. Hereinafter cited as "Utz email #2 29 May 2005."
  • [S1773] Brad Verity, "Verity email 5 April 2005 "CP Addition: Marriage of John d'Arundel, Lord Mautravers & Elizabeth Talbot"," e-mail message from e-mail address (unknown address) to e-mail address, 5 April 2005. Hereinafter cited as "Verity email 5 April 2005."
  • [S1787] Gordon Banks, "Banks email 30 July 2005 "Re: Descendants of Sir Richard de Lucy and Rohese of Boulogne"," e-mail message from e-mail address (unknown address) to e-mail address, 30 July 2005. Hereinafter cited as "Banks email 30 July 2005."
  • [S1799] David Utz, "Utz email #2 20 Aug 2005 "Descents from Rohese of Boulogne to Robert Abell"," e-mail message from e-mail address (unknown address) to e-mail address, 20 Aug 2005. Hereinafter cited as "Utz email #2 20 Aug 2005."
  • [S1807] Louise Staley, "Staley email #5 3 Aug 2005 "EDWARD III to Roger CORBET of Albright Hussey 11 Ways (1)"," e-mail message from e-mail address (unknown address) to e-mail address, 3 Aug 2005. Hereinafter cited as "Staley email #5 3 Aug 2005."
  • [S1812] Louise Staley, "Staley email #6 3 Aug 2005 "EDWARD III to Roger CORBET of Albright Hussey 11 Ways (1)"," e-mail message from e-mail address (unknown address) to e-mail address, 3 Aug 2005. Hereinafter cited as "Staley email #6 3 Aug 2005."
  • [S1854] John P. Ravilious, "Ravilious email 6 Jan 2005 "Elizabeth (Bosvile) (Harlakenden) Pelham: A 'New' Plantagenet Descent"," e-mail message from e-mail address (unknown address) to e-mail address, 6 Jan 2005. Hereinafter cited as "Ravilious email 6 Jan 2005."
  • [S2010] John P. Ravilious, "Ravilious email 1 Dec 2005: "Re: Patrick Dunbar / Agnes Randolph"," e-mail message from e-mail address (unknown address) to e-mail address, 1 Dec 2005. Hereinafter cited as "Ravilious email 1 Dec 2005."
  • [S2035] John P. Ravilious, "Ravilious email 1 Feb 2006: "The Kinsmen of Sir Hugh de Hastings (d. 1347) and the Elsing Brass"," e-mail message from e-mail address (unknown address) to e-mail address, 1 Feb 2006. Hereinafter cited as "Ravilious email 1 Feb 2006."
  • [S2076] Leo van de Pas, "van de Pas email 2 June 2006: "Jan II d'Avesnes, Count of Holland & Hainault"," e-mail message from e-mail address (unknown address) to e-mail address, 2 June 2006. Hereinafter cited as "van de Pas email 2 June 2006."
  • [S2146] Brad Verity, "Verity email 27 Aug 2007: "Descents From Edward III For Anketil Bulmer (1634-1718)"," e-mail message from unknown author e-mail (e-mail address) to e-mail address, 27 Aug 2007. Hereinafter cited as "Verity email 27 Aug 2007."
  • [S2152] Brad Verity, "Verity email 25 Apr 2007: "Descents From Edward III For Judge Richard Aske, Regicide Counsel"," e-mail message from unknown author e-mail (e-mail address) to e-mail address, 25 Apr 2007. Hereinafter cited as "Verity email 25 Apr 2007."
  • [S2173] Brad Verity, "Verity email 29 Aug 2007: "Descents From Edward III For Col. William Blakiston (1621-1685), M.P."," e-mail message from unknown author e-mail (e-mail address) to e-mail address, 29 Aug 2007. Hereinafter cited as "Verity email 29 Aug 2007."
  • [S2201] Douglas Richardson, "Richardson email 16 Nov 2007: "Children of John of Gaunt, Duke of Aquitaine and Lancaster"," e-mail message from e-mail address (unknown address) to e-mail address, 16 Nov 2007. Hereinafter cited as "Richardson email 16 Nov 2007."
  • [S2204] John P. Ravilious, "Ravilious email 9 Dec 2007: "Re: #Geoffrey / Galfridus le Despenser Lord Marcheley"," e-mail message from e-mail address (unknown address) to e-mail address, 9 Dec 2007. Hereinafter cited as "Ravilious email 9 Dec 2007."
  • [S2206] Douglas Richardson, "Richardson email 22 Dec 2006: "C.P. Correction/Addition: Children of Sir John Neville (died 1420) and his wife, Elizabeth Holand"," e-mail message from e-mail address (unknown address) to e-mail address, 22 Dec 2006. Hereinafter cited as "Richardson email 22 Dec 2006."
  • [S2217] Douglas Richardson, "Richardson email 19 Jan 2008: "Re: Children of Isabel of England (died 1241), wife of Emperor      Frederick II"," e-mail message from e-mail address (unknown address) to e-mail address, 19 Jan 2008. Hereinafter cited as "Richardson email 19 Jan 2008."
  • [S2253] Michael Andrews-Reading, "Andrews-Reading email 11 March 2008: "Tomb of Hugh de Vere, 4th Earl of Oxford (d 1263)"," e-mail message from e-mail address (unknown address) to e-mail address, 11 March 2008. Hereinafter cited as "Andrews-Reading email 11 March 2008."
  • [S2335] Douglas Richardson, "Richardson email 26 Dec 2008: "Umfreville Family, Earls of Angus"," e-mail message from e-mail address (unknown address) to e-mail address, 26 Dec 2008. Hereinafter cited as "Richardson email 26 Dec Aug 2008."
  • [S2337] Douglas Richardson, "Richardson email 17 Aug 2008: "Yet Another C.P. Addition: Isabel, daughter of Henry of Lancaster and      Isabel de Beaumont"," e-mail message from e-mail address (unknown address) to e-mail address, 1 Nov 2009. Hereinafter cited as "Richardson email 1 Nov 2009."
  • [S2376] Douglas Richardson, "Richardson email 30 June 2010: "Complete Peerage Addition: Sir Thomas de Astley, 3rd Lord Astley"," e-mail message from e-mail address (unknown address) to e-mail address, 30 June 2010. Hereinafter cited as "Richardson email 30 June 2010."
  • [S2381] Graham Milne, "Milne email 20 Nov 2010: "Alphonso the Slobberer"," e-mail message from e-mail address (unknown address) to e-mail address, 20 Nov 2010. Hereinafter cited as "Milne email 20 Nov 2010:."
  • [S2788] John Watson, "Watson email 9 June 2014: "Origin of the Despensers"," e-mail message from e-mail address (unknown address) to e-mail address, 9 June 2014. Hereinafter cited as "Watson1 email 9 June 2014."
  • [S4118] Douglas Richardson, Magna Carta Ancestry: A Study in Colonial and Medieval Families, 2nd ed. (n.p.: Douglas Richardson, 2011). Hereinafter cited as Richardson [2011] Magna Carta Ancestry.
  • [S4749] John P. Ravilious, "The Ancestry of Agatha, Mother of St. Margaret of Scotland", The Scottish Genealogist LV:70-84 (2009). Hereinafter cited as "Ancestry of Agatha."
  • [S4760] Wikipédia - Llaenciclopedia libre, online https://es.wikipedia.org/wiki/Wikipedia:Portada. Hereinafter cited as Wikipedia (ES).
  • [S4775] David N. Dumville, "The West Saxon Genealogical Regnal List and the Chronology of Early Wessex", Peritia Vol. 4, pp. 21-66 (1985). Hereinafter cited as "Dumville [1985] The West Saxon Gen'l Regnal List."
  • [S4778] Karl Ferdinand Werner, Die Nachkommen Karls des Grossen bis um das Jahr 1000, in: Karls des Großen Lebenswerk und Nachleben (n.p.: W. Braunfels, 1967). Hereinafter cited as Werner (1967) Die Nachkommen Karls des Grossen.