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Female Sibyl Sywardsdottir , of Northumbria Click to view Sibyl Sywardsdottir , of Northumbria in the family tree

Sibyl was born about 1014 in Northumbria, England.  Sibyl's father was Sigurd (Syward) Biornsson , Jarl of Northumbria and her mother was Aelflaed of Northumbria.  Her paternal grandfather was Biorn Ulfiusson , Jarl of Denmark; her maternal grandfather was Aldred Earl of Northumbria. She had a brother named Waltheof II Earl of Huntingdon &.  She was the older of the two children.  She died in 1040.


Sibyl's family with Duncan I MacCrinan King of Scotland

‌Sibyl and Duncan I MacCrinan King of were married in a religious ceremony in 1030.  They had four sons and a daughter, named Malcolm III Canmore King of, Donald III Bane King of, Duncan Mormaer of, Mael Muire (Melmar) Mormaer of and Beatrix of.

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