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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.  Her paternal grandparents were John "The Marshal" FitzGilbert and Sibyl de Salisbury; her maternal grandparents were Richard Strongbow de Clare , 2nd Earl Pembroke and Eve (Aoife) MacMurrough. 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.

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