William, Count of Mortain (1074–1120) was the son of Robert, Count of Mortain, the half-brother of William I of England. Robert, Count of Mortain (c. ... William of Normandy (French: Guillaume de Normandie; c. ...

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 spent the rest of his life in captivity, dying without issue. King Henry I of England (c. ... The County of Mortain was a medieval county in France centered on the town of Mortain. ... The title of Earl of Cornwall was created several times in the Peerage of England before 1337, when it was superseded by the title Duke of Cornwall, which became attached to heirs-apparent to the throne. ... The peerage title Earl of Kent has been created many times in the Peerage of England and once in the Peerage of the United Kingdom. ... Motto: (French for God and my right) Anthem: Multiple unofficial anthems Capital London Largest city London Official language(s) English (de facto) Government Constitutional monarchy  - Queen Queen Elizabeth II  - Prime Minister Tony Blair MP Unification    - by Athelstan AD 927  Area    - Total 130,395 km² (1st in UK)   50,346 sq... Mont Saint Michel, one of the famous symbols of Normandy. ... Robert II (called Curthose for his short squat appearance) (c. ... The battle of Tinchebray (or Tinchebrai) was fought September 28, 1106, in the town of Tinchebray, Normandy, between an invading force led by Henry I of England, and his older brother Robert Curthose, the Duke of Normandy. ... Events September 28 - Henry I of England defeats his older brother Robert Curthose, duke of Normandy, at the Battle of Tinchebrai, and imprisons him in Cardiff Castle; Edgar Atheling and William Clito are also taken prisoner. ...

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. Retrieved on 2006-11-04.