Zij heeft/had een relatie met SIWARD "Digera" Bjornsson Earl of Northumbria.
Kind(eren):
Earl Ealdred had five daughters. of whom three were called Aelfflaed. the fourth Ealdgyth. and the fifth Aetheldryth. From one of these Aelfflaed, Earl Siward fathered Earl Waltheof.
And because this Aelfflaed was a countess, since she was the daughter of Earl Ealdred who was the son of Earl Uhtred and the daughter of Bishop Ealdun, she claimed the aforesaid lands as hers by hereditary right - Barmpton. Skirningham. Elton, Carlton. School Aycliffe, and Monk Heselden which Earl Siward, her husband, gave her; and he gave to his son the earldom of the Northumbrians, just as Waltheof' s grandfather. Earl Ealdred, had held it. After the death of Earl Siward and Countess Aelfflaed, war erupted and these lands were devastated.
[A Study of Marriage and Murder in Eleventh-century Northumbria
:Issue 82 By Christopher J. Morris]
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