The title was first adopted by Robert de Ferrers, 1st Earl of Derby under a creation of 1139, and continued until the 6th Earl forfeited his property toward the end of the reign of Henry III and died in 1279.
The title was first adopted by Robert de Ferrers, 1st Earl of Derby under a creation of 1139. The title was first continued until the 6th Earl. This 6th Earl was forfeited his property toward the end of the reign of Henry III. The title was first died in 1279.