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His great grandson, William, who succeeded to the position in 1162 joined the King's sons in a rebellion against their father, Henry II and in 1173 both castles were destroyed.
In 1080, William de Ferrers, 3rd Earl of Derby granted the church of Spondon to the Leper Hospital and Brethren of St. Lazarus, at Burton Lazars in Leicestershire; This grant was later confirmed by both King Henry II and by King John.
William de Ferrers School, a secondary school in South Woodham Ferrers, Essex
Within the Castle was Zouche's wife Eleanor, and another Eleanor, recently widowed wife of William de Ferrers of Groby, second son of William de Ferrers, 5th Earl of Derby.