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Female Sibyl De Northumberland Click to view Sibyl De Northumberland in the family tree

Sibyl was born in 1010.  Sibyl's father was Siward De Northumberland.  She was an only child.  Sibyl is no longer alive.


Sibyl's family with Duncan Ier Le Gracieux D'ecosse

‌Sibyl and Duncan Ier Le Gracieux were married in a religious ceremony in 1031.  They had a son and a daughter, named iii and Marguerite.

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