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

Isabel was born in 1224.  Isabel's father was William , 5th Earl of Derby De Ferrers and her mother was Sibyl Marshall.  Her paternal grandparents were William , 4th Earl Of Derby De Ferrers and Agnes , Lady of Chartley De Meschines; her maternal grandparents were Sir William Marshall and Isabel De Clare. She had three sisters named Agnes, Joan and Maud , Vicomtesse de Rochechouard.  She was the second oldest of the four children. She had a half-brother and two half-sisters, named Robert , Earl Of Derby, Joan and Agnes.

Sources/Citations
GEDCOM File : 46438.ged, GEDCOM File : rowland2.ged