Ælfthryth, Countess of Flanders
COUNTESS CONSORT OF FLANDERS (877-929)
AElfthryth, Countess of Flanders; Ælfþryð; Ælfthryth of Wessex; Elftrudis; Aelfthryth, Countess of Flanders
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.