Ælfthryth, Countess of Flanders

For other people with the same name, see Ælfthryth.

Ælfthryth of Wessex (c. 877 – 7 June 929), also known as Elftrudis (Elftrude, Elfrida), was an English princess and a countess consort of Flanders to Baldwin II.

Ælfthryth of Wessex
Countess consort of Flanders
Tenure	893/899 – 918
Born	c. 877
Died	7 June 929
Spouse	Baldwin II, Margrave of Flanders
Issue	Arnulf I of Flanders Adalulf, Count of Boulogne Ealswid Ermentrud
House	Wessex
Father	Alfred the Great
Mother	Ealhswith

Life

She was the youngest daughter of Alfred the Great,^[1] the Saxon King of England and his wife Ealhswith. Her siblings included King Edward the Elder and Æthelflæd, Lady of the Mercians. Ælfthryth was educated along with her elder brother Edward, marking a rare instance of a princess getting equal education to a prince.^[2]

Between 893 and 899, Ælfthryth married Baldwin II (died 918), Margrave of Flanders.^[3]

They had the following issue:

• Arnulf I of Flanders (d. 964/65); married Adela of Vermandois^[1]
• Adalulf, Count of Boulogne (d. 933)^[1]
• Ealswid
• Ermentrud