Aelfgifu of York Queen Consort England was born to Thored Northumbria.
On 18th March 978 King Edward I of England [aged 16] was murdered at Corfe Castle, Dorset [Map] when visiting his younger half-brother [her future husband] Æthelred [aged 12] and his [Æthelred's] mother [her future mother-in-law] Aelfthryth [aged 33]. He was buried in Wareham, Dorset [Map] without ceremony. His half brother Æthelred succeeded II King of England.
Around 985 King Æthelred II of England [aged 19] and Aelfgifu of York Queen Consort England were married. She by marriage Queen Consort England. She the daughter of Thored Northumbria. He the son of King Edgar I of England and Aelfthryth Queen Consort England [aged 40].
Around 990 [her son] King Edmund "Ironside" I of England was born to [her husband] King Æthelred II of England [aged 24] and Aelfgifu of York Queen Consort England. He married 1015 Ealdgyth Unknown and had issue.
Between 991 and 1001 [her son] Æthelstan Ætheling Wessex, [her daughter] Unamed Wessex Abbess Wherwell, Wulfhilda Wessex, Aelfgifu Wessex, Eadgyth or Edith Wessex, Edgar Ætheling Wessex, Eadwig Ætheling Wessex and Eadred Ætheling Wessex were born to King Æthelred II of England [aged 25] and Aelfgifu of York Queen Consort England.
In or before 1002 [her son] Ecgberht Ætheling Wessex was born to [her husband] King Æthelred II of England [aged 35] and Aelfgifu of York Queen Consort England. He died aged three point zero zero zero zero one nine nine nine nine nine nine nine nine three in 1005.
In 1002 [her husband] King Æthelred II of England [aged 36] and Emma aka Ælfgyfu of Normandy Queen Consort England [aged 17] were married. She by marriage Queen Consort England. She the daughter of Richard "Fearless" I Duke Normandy and Gunnora Countess Ponthieu. He the son of King Edgar I of England and [her mother-in-law] Aelfthryth Queen Consort England [aged 57].
Around 1002 Aelfgifu of York Queen Consort England died.
On 23rd April 1016 [her former husband] King Æthelred II of England [aged 50] died. His son Edmund [aged 26] succeeded I King of England although the Witan meeting at Southampton chose King Cnut of England [aged 21].