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Female Sibyll De+ Sully Click to view Sibyll De+ Sully in the family tree

Sibyll De+ was born about 1282 in Walwynscastle, Pembrokeshire, Wales.  Sibyll De+'s father was Walter De+ Sully and her mother is Mabel de+ Somery.  Her maternal grandparents were Roger I De+ Somery and Nicole D`+ Aubigny.  She is an only child.


Sibyll De+'s family with Guy III De+ Brienne

They had a son and a daughter, named Guy IV De+ and Jane De.


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