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Earl of Lancaster

Earl of Lancaster
Coronet of a British Earl.svg
Arms of Edmund Crouchback, Earl of Leicester and Lancaster.svg
Creation date June 30, 1267 (1267-06-30)
Monarch Henry III of England
Peerage Peerage of England
First holder Edmund Crouchback
Last holder Henry of Grosmont
Subsidiary titles Earl of Leicester
Extinction date March 23, 1361 (1361-03-23)
Seat(s) Lancaster Castle

The title of Earl of Lancaster was created in the Peerage of England in 1267, merging in the crown in 1399. It was succeeded by the Duke of Lancaster. The title was created when Henry III of England created the Earldom of Lancaster—from which the house was named—for his second son Edmund Crouchback in 1267. Edmund had already been created Earl of Leicester in 1265 and was granted the lands and privileges of Simon de Montfort, 6th Earl of Leicester, after de Montfort's death and attainder at the end of the Second Barons' War. When Edmund's son Thomas, 2nd Earl of Lancaster, inherited his father-in-law's estates and title of Earl of Lincoln he became at a stroke the most powerful nobleman in England, with lands throughout the kingdom and the ability to raise vast private armies to wield power at national and local levels. This brought him—and Henry, his younger brother—into conflict with their cousin Edward II of England, leading to Thomas's execution. Henry inherited Thomas's titles and he and his son, who was also called Henry, gave loyal service to Edward's son—Edward III of England.

After the supporters of Henry III of England suppressed opposition from the English nobility in the Second Barons' War, Henry granted to his second son Edmund Crouchback the titles and possessions forfeited by attainder of the barons' leader, Simon de Montfort, 6th Earl of Leicester, including the Earldom of Leicester, on 26 October 1265. Later grants included the first Earldom of Lancaster on 30 June 1267 and that of Earl Ferrers in 1301. Edmund was also Count of Champagne and Brie from 1276 by right of his wife.Henry IV of England would later use his descent from Edmund to legitimise his claim to the throne, even making the spurious claim that Edmund was the elder son of Henry but had been passed over as king because of his deformity.


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