F, (circa 877 - 7 June 929)
Father-Biological*Alfred the Great , King of England b. 849, d. 28 Oct 901
Mother-Biological*Ealhswith of Mercia b. c 852, d. 904
Family Lines
Roy Line

Boudreau Line
Last Edited=29 Apr 2023
     Ælfthryth was born circa 877 at Kingdom of Wessex, England.1 She was the daughter of Alfred the Great , King of England and Ealhswith of Mercia.

Ælfthryth married Baldwin II the Bald ~ Comte de Flanders et Artois, son of Baldwin I Bras de Fer ~ Comte de Flanders and Judith of France ~ Princess of France, Queen of Wessex and England, in 884.1,2,3,4 Ælfthryth died on 7 June 929.1,2,3,4


  1. Stuart, Roderick W. Royalty for Commoners, The Complete Known Lineage of John of Gaunt, Son of Edward III, King of England, and Queen Philippa, Fourth Edition. Baltimore, Maryland: Genealogical Publishing Company, 2002.
  2. Weis, Frederick Lewis. Ancestral Roots of Sixty Colonists Who Came to New England Between 1623 and 1650, Fifth Edition. Baltimore, Maryland: Genealogical Publishing Company, 1982.
  3. Sewell, Robert James. Sewell: A History of the Sewell Family from the Earliest Times. N.p.: manuscript, 2008.
  4. Von Redlisch, Marcellus Donald Alexander R.. Pedigrees of Some of the Emperor Charlemagne's Descendants, Volume 1. Cottonport, Louisiana: Order of the Crown of Charlemagne, 1941.