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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.  She died on April 27th, 1245.

Sibyl's 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.

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