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

Sibyl was born about 1191 in Pembroke, Pembrokeshire, Wales.  Sibyl's father was William Marshal , 3rd Earl of Pembroke and her mother was Isabel de Clare , Countess of Pembroke. She had a brother and four sisters, named William, Maud, Eva, Isabel and Joan.  She was the second oldest of the six children.  She died before 1238.


Sibyl's family with William III de Ferrers , 5th Earl of Derby

‌Sibyl and William III de were married in a religious ceremony before May 14th, 1219 in 1st wife.  They had five daughters named Isabel de, Agnes de, Maud (Matilda) de, Eleanor de and Joan de.

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