Robert de Ferrers, 6th Earl of Derby
William de Ferrers, 5th Earl of Derby's son
Robert de Ferrers, 6th Earl of Derby was an English nobleman.
He was born at Tutbury Castle in Staffordshire, England, the son of William de Ferrers, 5th Earl of Derby, by his second wife Margaret de Quincy, a daughter of Roger de Quincy, 2nd Earl... Wikipedia
Born: 1239, Tutbury, United Kingdom
Died: 1279 (age 40 years)
Great grandchildren: John de Ferrers, 4th Baron Ferrers of Chartley, Robert Ferrers, and Sir Thomas de Lathom
Great-grandparents: William de Ferrers, 3rd Earl of Derby, Saer de Quincy, 1st Earl of Winchester, Hugh of Cyfeiliog, 5th Earl of Chester, and more