Her marriage is confirmed by the will of "Wulfric", dated to [1002/04], which bequeathes property (among other bequests) to "…minre goddehter Morkares & Aldgythe…land æt Strættune". The primary source which confirms her parentage has not yet been identified. 1
Marriage Information:
Ealdgyth married Morcar fitz Earngrim of Northumbria, King's Thegn, before 1004. (Morcar fitz Earngrim died in 1015 in Oxford, England.)
Sources
1 Foundation for Medieval Genealogy, Medlands, Morcar.