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Female Isabel de Ferrers Click to view Isabel de Ferrers in the family tree

Isabel de was born about 1220 in Derby, Derbyshire, England.  Isabel de's father was William III de Ferrers , 5th Earl of Derby and her mother was Sibyl Marshal.  Her paternal grandparents were William II de Ferrers , 4th Earl of Derby and Agnes of Chester , Lady of Chartley. She had four sisters named Agnes de, Maud (Matilda) de, Eleanor de and Joan de.  She was the oldest of the five children. She had two half-brothers and four half-sisters, named Robert de, William IV, Elizabeth de, Joan de, Agnes de and Berta de.  She died before November 26th, 1260 in Torre Mohun, Devonshire, England.

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