Æthelwald, King of York1

In 901 he established himself as Prentender to the Throne of Wessex, and was killed defending these claims.2 He gained the title of King Ethelwald of York in 901.2 He fought in the Battle of the Holm circa 903.1
He claimed the throne against Edward (the Elder) King of England, son of King Alfred (the Great.)
- [S58] E. B. Fryde, D. E. Greenway, S. Porter and I. Roy, editors, Handbook of British Chronology, 3rd edition (London, U.K.: Royal Historical Society, 1986), page 23. Hereinafter cited as Handbook of British Chronology.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 8. Hereinafter cited as Britain’s Royal Families.
Charles I, Roi des Francs1 
Charles I, Roi des Francs also went by the nick-name of Charles ‘the Bald’.4 He gained the title of Roi des Francs in 840.1 He succeeded as the Emperor Charles II of the Holy Roman Empire in 875.5 He was crowned Holy Roman Emperor in 875.5
Children of Charles I, Roi des Francs and Ermentrude d‘Orléans
- Charles, Roi d’Aquitaine d. 866
- Carloman (?) d. 876
- Judith, Princesse des Francs+6 b. bt 843 – 844, d. Apr 870
- Louis II ‘the Stammerer’, Roi des Francs+1 b. 1 Nov 843, d. 10 Apr 879
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989). Hereinafter cited as Dynasties of the World.
- [S125] Richard Glanville-Brown, online <e-mail address>, Richard Glanville-Brown (RR 2, Milton, Ontario, Canada), downloaded 17 August 2005.
- [S7803] Christof Steineg von Steinig, online unknown url, Christof Steineg von Steinig (unknown location).
- [S38] John Morby, Dynasties of the World, page 78.
- [S38] John Morby, Dynasties of the World, page 122.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 5. Hereinafter cited as Britain’s Royal Families.
Æthelred ‘Mucil’, Ealdorman of the Gainas1
He gained the title of Ealdorman of the Gainas.1
Child of Æthelred ‘Mucil’, Ealdorman of the Gainas and Eadburga, Princess of Mercia
- Eahlwið, Princess of Mercia+ b. c 852, d. 5 Dec 905
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 9. Hereinafter cited as Britain’s Royal Families.
- [S215] Unknown article title, Journal of the Foundation for Medieval Genealogy, Chobham, Surrey, U.K., volume 1, issue 6, page 407. Hereinafter cited as Foundation for Medieval Genealogy.
Æthelweard (?)1 
Children of Æthelweard (?)
- Elfwine (?) d. 937
- Ethelwine (?) d. 937
- Thurcytel (?)1 b. c 907, d. 12 Jul 975
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 10. Hereinafter cited as Britain’s Royal Families.
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.
Elfwine (?)

He fought in the Battle of Brunanburgh in 937.1
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 10. Hereinafter cited as Britain’s Royal Families.
Ethelwine (?)

He fought in the Battle of Brunanburgh in 937.1
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 10. Hereinafter cited as Britain’s Royal Families.
Æthelflæd, Queen of Mercia1 
She succeeded as the Queen Æthelflæd of Mercia in 911.3
Child of Æthelflæd, Queen of Mercia and Æthelred II, King of Mercia
- Ælfwynn, Queen of Mercia3 b. c 904, d. a 919
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 9. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 10.
Æthelgifu (?)1 
She was a nun before 888 at Shaftesbury Abbey, Dorset, EnglandG.2 She was Abbess of Shaftesbury circa 888 at Shaftesbury Abbey, Dorset, EnglandG.2
- [S58] E. B. Fryde, D. E. Greenway, S. Porter and I. Roy, editors, Handbook of British Chronology, 3rd edition (London, U.K.: Royal Historical Society, 1986), page 24. Hereinafter cited as Handbook of British Chronology.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 10. Hereinafter cited as Britain’s Royal Families.
Ælfthryth, Princess of Wessex1 
She was also known as Ælftrud (?)
Children of Ælfthryth, Princess of Wessex and Baldwinus II ‘de Kale’ Graaf van Vlaanderen
- Arnulfus ‘de Grote’ Graaf van Vlaanderen Comte d’Artois Boulogne Ternois et Saint-Pol+ b. 890, d. 27 Mar 964
- Adelulf Graaf van Vlaanderen+4 b. 891, d. 13 Dec 933
- Mathilde van Vlaanderen, Comtesse de St. Pol2 b. 895
- [S58] E. B. Fryde, D. E. Greenway, S. Porter and I. Roy, editors, Handbook of British Chronology, 3rd edition (London, U.K.: Royal Historical Society, 1986), page 24. Hereinafter cited as Handbook of British Chronology.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 10. Hereinafter cited as Britain’s Royal Families.
Baldwinus II ‘de Kale’ Graaf van Vlaanderen1 
Baldwinus II ‘de Kale’ Graaf van Vlaanderen also went by the nick-name of Baldwin ‘the Bald’.5 He succeeded as the Graaf van Vlaanderen in 879.1
Children of Baldwinus II ‘de Kale’ Graaf van Vlaanderen and Ælfthryth, Princess of Wessex
- Arnulfus ‘de Grote’ Graaf van Vlaanderen Comte d’Artois Boulogne Ternois et Saint-Pol+ b. 890, d. 27 Mar 964
- Adelulf Graaf van Vlaanderen+4 b. 891, d. 13 Dec 933
- Mathilde van Vlaanderen, Comtesse de St. Pol2 b. 895
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 90. Hereinafter cited as Dynasties of the World.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 5. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 10.
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.