William, Count of Mortain

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William de Mortaigne, Count of Mortain (d. aft. 1140) was the son of Robert, Count of Mortain, the half-brother of William I of England.

From childhood, he harbored a dislike for his cousin Henry I of England, and proudly demanded from him not only his father's earldoms of Mortain and Cornwall, but his uncle's Earldom of Kent. In 1103, he crossed from England into Normandy[1] and openly revolted against Henry in 1104, losing his English fiefs in consequence.[2] He was captured with Robert Curthose at the Battle of Tinchebrai (1106) and stripped of Mortain.[1] William was imprisoned for many years, but later escaped, and became a Cluniac monk at Bermondsey Abbey in 1140.[3]

[edit] References

  1. ^ a b Planché, J.R (1874). The Conqueror and His Companions. London: Tinsley Brothers. Retrieved on 2006-11-04. 
  2. ^ Farrer, W (July 1919). "An Outline Itinerary of King Henry the First". The English Historical Review 34: 303–382. doi:10.1093/ehr/XXXIV.CXXXV.303. 
  3. ^ Medieval Lands Project. Retrieved on 2008-01-27.
  • Burke's Peerage & Baronetage, 106th Edition, Charles Mosley Editor-in-Chief, 1999 Page: cxiv
  • Complete Peerage of England Scotland Ireland Great Britain and the United Kingdom by G. E. Cokayne, Sutton Publishing Ltd, 2000 Page III:428-9, III:418-91
French nobility
Preceded by
Robert
Count of Mortain
1095–1106
Succeeded by
Robert II
Peerage of England
Preceded by
Robert
Earl of Cornwall
1095–1104
Succeeded by
Forfeit

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