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Female Sibyl De Montague Click to view Sibyl De Montague in the family tree

Sibyl was born about 1334 in Donyatt, Somersetshire, England.  Sibyl's father was William De Montague and her mother was Katherine De Grandison.  Her paternal grandparents were William De Montague and Elizabeth De Montfort; her maternal grandparents were Sir William De Grandison and Sibyle De Tregoz. She had three brothers and three sisters, named John, William III, Robert, Elizabeth, Anne and Phillipa.  She was the third youngest of the seven children.  She died on June 30th, 1374.


Sibyl's family with Sir Edmund Fitz Alan

They had a daughter named Phillippe.

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