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

Sibyl was born in 1014 in Northumberland, England.  Sibyl's father is Seward Earl of Northumbia and her mother is Mrs. Countess of Northumbia.  Her paternal grandparents are Biorn Strybiornson and Mrs. Styrbiornson.  She was an only child.  She died at the age of 26 in 1040 in Scotland?.


Sibyl's first family with Duncan I King of Scotland

‌Sibyl and Duncan I were married in a religious ceremony in 1030 in Scotland.  They had four sons named Donald "Bane" III, Malcolm III ", Duncan and Melmare (Maelkofr).


Sibyl's second family with Macbeth King of Scotland

They had a son named Ferchar Og.

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