William FitzOsbern, 1st Earl of Hereford

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The Earl of Hereford
Born Circa 1020
Died 22 February 1071
Cause of death War
Known for
Parent(s) Osbern the Steward

William FitzOsbern (circa 1020 – 22 February 1071), Lord of Breteuil, in Normandy, was a relative and close counsellor of William the Conqueror and one of the great magnates of early Norman England. He was created Earl of Hereford before 22 February 1067, one of the first peerage titles in the English peerage. He is one of the very few proven Companions of William the Conqueror known to have fought at the Battle of Hastings in 1066. His chief residence was Carisbrooke Castle on the Isle of Wight, one of many English castles he built.


William FitzOsbern was the son of Osbern the Steward, a nephew of Duchess Gunnor, the wife of Duke Richard I of Normandy. Osbern was the steward of his cousin Duke Robert I of Normandy. When Robert left the Duchy to his young son William, Osbern became one of Duke William's guardians. Osbern married Emma, a daughter of Count Rodolf of Ivry, who was a half-brother of Duke Richard I of Normandy. Through her he inherited a large property in central Normandy, including the honours of Pacy and Breteuil.

Career pre-1066[edit]

William FitzOsbern was probably raised at the court of his cousin William Duke of Normandy, and like his father, became one of the ducal stewards. He founded Cormeilles Abbey and Lyre Abbey[1] (La Vieille-Lyre), and Saint-Evroul Abbey.[2] He was one of the earliest and most vigorous advocates of the invasion of England, and tradition holds that he convinced the doubters amongst the Norman barons of the feasibility of the invasion. FitzOsbern's younger brother Osbern FitzOsbern was one of Edward the Confessor's chaplains, and possessed the rich church of Bosham in Sussex, where King Harold went to in the first scene of the Bayeux tapestry, and was well placed to pass along intelligence on the situation in England. He later became Bishop of Exeter.

In England after 1066[edit]

As Duke William took control of England as William the Conqueror, FitzOsbern was given charge of the Isle of Wight, and then before 22 February 1067 he was created Earl of Hereford as well as Earl of Gloucester, Earl of Worcester and Earl of Oxfordshire. That western part of England was not yet fully under Norman control; the understanding must have been that FitzOsbern was to take charge of the conquest of these regions when he was able. In the summer of 1067 King William returned to Normandy and left his half-brother Bishop Odo of Bayeux and FitzOsbern in charge of England during his absence. The King was back in England in 1068 and FitzOsbern accompanied him in the subjugation of south-west England. He attended the King's Whitsun court in May 1068, and then visited Normandy, where he fell ill for some months.

In February or March 1069 FitzOsbern was asked by William to oversee the peace in York, where Gilbert de Ghent was made castellan of the new castle, but FitzOsbern returned south in time to attend the King's Easter court in April 1069 before returning to York.

Anglo-Saxon resistance in the West Midlands was crushed later in 1069, and it is likely FitzOsbern played a major part in this, although the details are not certain. During this time FitzOsbern and his followers pushed on westwards into Wales, thus beginning the Norman conquest of the Welsh Kingdom of Gwent.

Castle builder[edit]

As part of the assertion of Norman control over England and Wales, FitzOsbern was one of the major Norman castle builders. Early castles attributed to him include Carisbrooke Castle on the Isle of Wight, Chepstow Castle (Striguil) in South Wales, Wigmore Castle and Clifford Castle in Herefordshire, Berkeley Castle in Gloucestershire and Monmouth Castle in Wales. FitzOsbern also created or improved fortifications in the towns of Hereford and Shrewsbury.

Distraction and death in Flanders[edit]

In 1070 trouble arose in Flanders, where King William's brother-in-law Count Baldwin VI of Flanders had died, leaving his county and his young sons in the hands of his widow Richilde, Countess of Mons and Hainaut. Her control of Flanders was challenged by the brother of her late husband, Robert the Frisian. Looking for help, she offered herself in marriage to FitzOsbern. He could not resist the chance to become also Count of this rich Principality, close to Normandy and hurried there with his army, where he was defeated by the Count of Flanders, and killed in the Battle of Cassel on 22 February 1071.

Marriages & progeny[edit]

FitzOsbern married twice:


He was killed in the Battle of Cassel on 22 February 1071.


  1. ^ Orderic Vital, Histoire de Normandie, tome 2, Ed. Charles Corlet, Caen 1826-Paris 2009, p. 10
  2. ^ Orderic Vital, Histoire de Normandie, tome 2, Ed. Charles Corlet, Caen 1826-Paris 2009, p. 27
  3. ^ Francis Palgrave, The History of Normandy and of England... !V:398ff.
  • David C. Douglas, "The Ancestors of William Fitz Osborn", English Historical Review, 59 (1944), 62–79
  • Chris P. Lewis, "The early earls of Norman England", Anglo-Norman Studies, 13 (1991), 207–23
  • Lynn Nelson, The Normans in South Wales, 1070–1171 (see especially pages 24–33 in chapter 2)
  • W.E. Wightman, "The palatine earldom of William fitz Osbern in Gloucestershire and Worcestershire (1066–1071)", English Historical Review, 77 (1962), 6–17
  • P.M. Remfry, The Herefordshire Beacon and the Families of King Harold II and the Earls of Hereford and Worcester (ISBN 1-899376-73-9)

External links[edit]

Preceded by
New Creation
Earl of Hereford Succeeded by
Roger de Breteuil