Magna Carta of Chester of the clauses in the Magna Carta of Chester and those in the Magna Carta indicates that it was written after King John issued the latter on 19 June 1215. In the early 1200s, the Earldom of Chester was the only county palatine on the Welsh Marches; Ranulf III ruled Chester as a separate feudal domain. His barons living outside of Cheshire are referred to as his 'knights from England'. In the late 12th century manuscript "De laude Cestrie", Lucian of Chester describes the county as obedient, 'more to the sword of its prince than to the crown of the
Magna Carta King without Parliament. This supremacy would be challenged by the likes of Granville Sharp. Sharp regarded Magna Carta as a fundamental part of the constitution, and maintained that it would be treason to repeal any part of it. He also held that the Charter prohibited slavery. Sir William Blackstone published a critical edition of the 1215 Charter in 1759, and gave it the numbering system still used today. In 1763, Member of Parliament John Wilkes was arrested for writing an inflammatory pamphlet, "No. 45, 23 April 1763"; he cited Magna Carta continually. Lord Camden denounced the treatment of Wilkes as