Eleanor de Castilla1 
Child of Eleanor de Castilla and Jaime I, Rey de Aragón
- Alfonso de Aragón, Infante de Aragón3 b. c 1200, d. 1260
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 62. Hereinafter cited as Britain’s Royal Families.
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 45. Hereinafter cited as Lines of Succession.
Constanza de Castilla1 
She was the Abbess at Las HuelgasG.2
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 62. Hereinafter cited as Britain’s Royal Families.
Enrique de Castilla1 
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 62. Hereinafter cited as Britain’s Royal Families.
Constanza de Castilla1 
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
Heinrich I von Zelle, Duke of Saxony and Bavaria1,2 
Heinrich I von Zelle, Duke of Saxony and Bavaria also went by the nick-name of Heinrich ‘Longus’. He gained the title of Herzog von Zelle. He gained the title of Pfalzgraf von der Rhein.2 He gained the title of Herzog von Sachsen.2 He gained the title of Herzog von Bayern.
Children of Heinrich I von Zelle, Duke of Saxony and Bavaria and Agnes Hohenstaufen
- Heinrich II Pfalzgraf von der Rhein b. c 1195, d. 1 May 1214
- Ermengarde von der Rhein+ b. c 1200, d. 24 Feb 1260
- Agnes von Braunschweig+ b. c 1201, d. 16 Aug 1267
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 60. Hereinafter cited as Britain’s Royal Families.
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 113. Hereinafter cited as Lines of Succession.
Otto IV von Braunschweig, Holy Roman Emperor1 
He succeeded as the King Otto IV of the Romans on 12 July 1198.3 He gained the title of Earl of York.2 He gained the title of Comte de Ponthieu.2 He succeeded as the Emperor Otto IV of the Holy Roman Empire on 4 October 1209.3 He was crowned Holy Roman Emperor on 4 October 1209.6
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 60. Hereinafter cited as Britain’s Royal Families.
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 113. Hereinafter cited as Lines of Succession.
- [S37] BP2003 volume 2, page 2692. See link for full details for this source. Hereinafter cited as. [S37]
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 122. Hereinafter cited as Dynasties of the World.
William of Winchester Herzog von Braunschweig-Lüneburg1 
William of Winchester Herzog von Braunschweig-Lüneburg also went by the nick-name of William ‘Longsword’. He gained the title of Herzog von Braunschweig-Lüneburg.2
Child of William of Winchester Herzog von Braunschweig-Lüneburg and Helen Valdemarsdottir, Princess of Denmark
- Otto I Herzog von Braunschweig-Lüneburg+4 b. c 1204, d. 9 Jun 1252
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 60. Hereinafter cited as Britain’s Royal Families.
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 16. Hereinafter cited as Lines of Succession.
- [S16] Louda and MacLagan, Lines of Succession, table 113.
Lothaire von Sachsen1 
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 60. Hereinafter cited as Britain’s Royal Families.
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
Matilda von Sachsen1 
She was also known as Maud von Sachsen.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 60. Hereinafter cited as Britain’s Royal Families.
- [S106] Royal Genealogies Website (ROYAL92.GED), online http://www.daml.org/2001/01/gedcom/royal92.ged. Hereinafter cited as Royal Genealogies Website.
Friedrich I ‘Barbarossa’ Hohenstaufen, Holy Roman Emperor1 
He was crowned Holy Roman Emperor.2 He succeeded as the King Friedrich I of the Romans in 1152.1 He succeeded as the Emperor Friedrich I of the Holy Roman Empire in 1155.1
Children of Friedrich I ‘Barbarossa’ Hohenstaufen, Holy Roman Emperor and Beatrice de Bourgogne
- Friedrich V Hohenstaufen, Duke of Swabia1 b. 1164, d. 1191
- Heinrich VI Hohenstaufen, Holy Roman Emperor+1 b. Nov 1165, d. 28 Nov 1197
- Otto Hohenstaufen, Palgrave de Bourgogne+1 b. 1167, d. 1200
- Conrad Hohenstaufen, Duke of Swabia1 b. 1172, d. 1196
- Philip von Hohenstaufen, Duke of Swabia+1 b. 1176, d. 1208
- [S16] Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 113. Hereinafter cited as Lines of Succession.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 122. Hereinafter cited as Dynasties of the World.
