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Male Robert de Ferrers , 6th\Last Earl of Derby Click to view Robert de Ferrers , 6th\Last Earl of Derby in the family tree

Robert de was born in 1239 in Derby, Derbyshire, England.  Robert de's father was William III de Ferrers , 5th Earl of Derby and his mother was Margaret de Quincy.  His paternal grandparents were William II de Ferrers , 4th Earl of Derby and Agnes of Chester , Lady of Chartley; his maternal grandparents were Roger de Quincy , 2nd Earl of Winchester and Helen of Galloway. He had a brother and four sisters, named William IV, Elizabeth de, Joan de, Agnes de and Berta de.  He was the oldest of the six children. He had five half-sisters named Isabel de, Agnes de, Maud (Matilda) de, Eleanor de and Joan de.  He died at the age of 40 in 1279.

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