Æthelstan, son of Æthelred and Ælfgifu
ÆTHELSTAN (-killed in battle after 25 Jun 1014).
Florence of Worcester´s genealogies name "Ælfgiva, comitis Ægelberhti filia" as mother of King Æthelred´s three sons "Eadmundum, Eadwium et Æthelstanum" and his daughter "Eadgitham".
"Æthelstanus filius regis/clito/ætheling" subscribed charters of King Æthelred II dated between 993 and 1013, his name being recorded consistently first among his brothers and specified as "primogenitus" in 1004. He was killed fighting the Danes.
Ætheling Æthelstan, under his will dated , made bequests (in order) to "my father King Æthelred, my brother Eadmund, my brother Eadwig, Ælfmær…Godwine, Wulfnoth's son…my foster mother Ælfswith, my mass priest Ælfwine, my seneschal Ælfmær, Sigeferth…Æthelweard the Stammerer and Lifing…Leofstan the brother of Leofwine Cwatt…Leofmær of Bygrave, Godwine the Driveller, Eadric son of Wynflæd…", names "Ælfmær, Ælfric's son" and refers to "the soul of Ælfthryth my grandmother who brought me up".