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

Sibyl was born about 1200 in Of Pembroke, Pembrokeshire, Wales and her baptism took place in 1209 in St. David's, Pembrokeshire, Wales.  Sibyl's father was William MARSHALL 4th Earl PEMBROKE and her mother was Isabel de CLARE COUNTESS OF PEMB.  Her paternal grandparents were John "the Marshall" FITZGILBERT and Sibyl de SALISBURY; her maternal grandparents were Richard Fitzgilbert de CLARE Earl of Pembroke, Strongbow" and Eva (Aoife) macmurogh kavanagh. She had five brothers and five sisters, named Walter, William, Richard, Gilbert, Anselm, Margaret, Maud, Joan, Isabel and Eve.  She was the fourth youngest of the eleven children.  She died on April 27th, 1245.


Sibyl's first family with William de FERRERS 7th Earl of DERBY

‌Sibyl and William de were married in a religious ceremony before May 14th, 1219 in Of, Pembroke, Pembrokeshire, Wales.  They had a son and seven daughters, named John De, Maud (Matilda) De, Agnes De, Isabel de, Joan De, Sibyl De, Agatha De and Eleanor De.


Sibyl's second family with Walter DUNSTANVILLE



Sibyl's third family with Ingeram PRATELLIS


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