Björn ULFSSON, Jarl of Denmark
Siward "Digera" BJORNSSON, Earl of Northumbria


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Siward "Digera" BJORNSSON, Earl of Northumbria

  • Married:
  • Died: 26 Mar 1055, York, Yorkshire, England
  • Buried: Galmanho Monastery, York, Yorkshire, England

   Also called Sigurd BJÖRNSSON.

  Research Notes:

The Vita et Passio Waldevi Comitis names “Siuuardus” as son of “Beorn cognomento Beresune…filius ursi…Dacus natione”. A Dane, he may have come to England with the invasion of Knud of Denmark in 1015.

He was recognised as Earl of Northumbria after the murder of his wife's uncle in 1041. The Annales Dunelmenses record that "comes Siward" invaded Scotland with a large army in 1046 and briefly expelled "rege Macbeod", the king recovering his realm when Siward withdrew. He actively supported Edward "the Confessor" King of England against Earl Godwin and his sons in 1051. Florence of Worcester records that "dux Northhymbrorum Siwardus" defeated "rege Scottorum Macbeotha" in battle, dated to 1054, and installed "Malcolmum regis Cumbrorum filium" in his place. The Annales Dunelmenses record that "Siwardus" put "Macbeth" to flight in 1054 and installed "Malcolmum rege" in the following year. 1

  Marriage Information:

Siward married Ælfled FITZ EALDRED, daughter of Ealdræd FITZ UCHTRED, Earl of Bernicia and Unknown. (FITZ EALDRED was born in Bernicia, Northumbria, England.)


1 Foundation for Medieval Genealogy, Medlands: Siward.

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