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Female Sibyl Sywardsdottir Click to view Sibyl Sywardsdottir in the family tree

Sibyl was born about 1014 in Northumbria, England.  Sibyl's father was Sigurd (Syward) Biornsson and her mother was Aelflaed of Northumbria.  Her paternal grandfather was Biorn Ulfiusson; her maternal grandfather was Earl of Northumbria Aldred. She had a brother named II Earl of Huntingdon.  She was the older of the two children.


Sibyl's family with Duncan I "the Gracious" MacCrinan

‌Sibyl and Duncan I "the Gracious" were married in a religious ceremony in 1030.  They had four sons named Malcolm III, Donald III "the White", Duncan and Maelmare (Melmare).

Sources/Citations
The Plantagenet Ancestry, by William Henry Turton, 1968 @ 21, Ancestral Roots of Certain Americian Colonists, 7th Edition, by Frederick Lewis Weis, additions by Walter Lee Shippard Jr @ 170-20, British Kings & Queens; Mike Ashley {1998} @ 106-107, Dictionary of National Biography, George Smith, Oxford Press, Vols 1-21 (Orignially published 1885-90),Ed by Sir Leslie S @ VI:168

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