She is married to Æthelwulf van de Gaini.
They got married
Child(ren):
EADBURGA. Asser records that Alfred's mother-in-law "Edburga of the royal line of Mercia…was a venerable lady and after the decease of her husband, she remained many years a widow, even till her own death"[678]. According to Weir[679], she was perhaps the daughter of Cenwulf King of Mercia but the basis for this speculation is not known. m ÆTHELRED "Mucil" Ealdorman of the Gainas [in Mercia].]
Bronnen:
[678] Asser, p. 11.
[679] Weir, A. (2002) Britain's Royal Families: The Complete Genealogy (Pimlico), p. 9.
https://fmg.ac/Projects/MedLands/ENGLAND,%20AngloSaxon%20&%20Danish%20Kings.htm#EadburgaMerciaMEthelredMucilGainas