~1010, William born in France, s/o §§Steward Osbern de Crepon & Lady Emma d’Ivry. [Osbern was one of future William the Conqueror’s murdered guardians when he was young.]
~1025, Adeliza born in France, d/o 319834120. Roger of Tosny & 319834121. Godeheut ?.
Aft. 1035, ‘Willelmus et frater eius Osbernus’ donated land,and revenue from land to the abbey of Sainte-Trinité at Rouen, with the consent of ‘matre eorum Emma’, for the soul of ‘patris sui Osberni cognomento Pacifici.’
[–––William & Adeliza–––]
Adeliza married William fitz Osbern.
1040, Duke William’s wardship given to Gilbert of Brionne. [A succession of guardians died – William the Conqueror is said to have been raised by William fitz Osbern, Roger de Beaumont, and Roger de Montgomery.]
1046, ‘Willelmo filio Osberni et … Ælicia eius uxore filia Rogeri de Thoneio’ founded the abbey of Lyre.
1050, William fitz Osbern in custody of the forest of Brionne. (S) Anselm of Bec, Vaughn, 1987, P35.
1050-1, William fitz Osbern gave the Abbey of Lyre half the tithes of his mares at Glos-la-Ferriere, not far from Saint-Evroul. (S) From Alfred the Great, Davis, 1991, P74.
1051, William appointed Steward to Duke William. (S) Handbook of British Chronology, Pryde, 1996, P73.
1052, Duke William unsuccessfully sought a truce with King Henry of France.
2/1054, Duke William had to repel the forces of King Henry I of France invading Normandy from the east, while the King’s brother Odo invaded from the west. William divided his forces and took his part against King Henry.
1054, ‘Guillelmi filii Osberni’ witnessed a charter of Duke William of Normandy confirming a donation to the abbey of Mont-Saint-Michel.
Bef. 1055, Duke William gave William the new castle at Breteuil on the Iton [a tributary of the Eure], to defend against King Henry’s fortress at Tillieres. (S) History of the Norman Conquest, Freeman, 1875, P163.
1055, Ansfred, s/o Osbern the vicomte, in a grant to Holy Trinity, Rouen, did so with the consent of ‘my lords Emma, the wife of Osbern the Steward, and her sons William and Osbern.’ (S) William the Conqueror, Douglas, 1999.
1057, In England, Harold Godwinson became Earl of Hereford [Later held by William]. (S) Earthwork Castles, Phillips, 2006, P14.
By 1058, Roger de Montgomery; with Hugh, bishop of Lisieux; Richard, vicomte of the Avranchin; and William fitz Osbern, subscribed a charter of Duke William. (S) William the Conqueror, Douglas, 1999.
1058, Duke William and Harold the Saxon [Godwinson] visited Mont Saint Michel. (S) Sacred Places in Europe, 2007, P101.
1060, William founded the monastery of Corneilles.
1060, Guillelmus filius Osberti [William] and Guillelmus filius Guillelmi filiii Osberti [and William his son] witnessed the charter by which William, duke of Normandy, granted Brenerias to the abbey of Bayeux.
8/4/1060, King Henry I of France died; succeeded by King Philip I, age 8.
8/29/1060, ‘Willelmus filius Osberti’ witnessed a charter of his brother Richard of a donation to Chartres Saint-Pere.
Aft. 3/1062, Duke William invaded the county of Maine.
1062, Humphrey de Bohun with Duke William at the Hogue de Biville, along with Roger de Montgomery and William, son of Osbern.
1064, Duke William invaded Brittany.
1064, Earl Harold Godwinson of Wessex and Hereford, shipwrecked off France, was taken to William who made him swear to his succession.
1/5/1066, King Edward the Confessor of England died; succeeded by Harold Godwinson of Wessex and Hereford.
3/20/1066, Haley’s comet appeard in the sky at its closest point to earth, and was interpreted as an evil omen.
1066, William Fitz-Osbern urged action by Duke William, who sent an embassy to King Harold [the message sent is unknown.] (S) Reign of Harold, Freeman, 1869, P260.
9/1066, Duke William on the eve of the invasion had his son Robert confirm to the abbey of Marmoutier all the property which he himself had given. Witnesses: Roger de Montgomery, William fitz Osbern, William his son, Roger de Beaumont, Hugh de Grandmesnil, … (S) Norman Conquest: Sources and Documents, Brown, 1984, P143.
1066, William provided 60 ships for the invasion of England.
9/27/1066, Duke William sailed his forces from Valery-sur-Somme, landing at Pevensey Bay in England.
10/14/1066, William fought at the battle of Hastings, commanding the right wing.
10/25/1066, William the Conqueror crowned King of England.
1066, ‘Erchenbaldo filio Erchenbaldi vicecomitis, on the point of leaving ‘ultra mare’, donated property to Sainte-Trinité de Rouen, with the consent of ‘rege Anglorum et duce Normannorum Guillelmo’, signed by ‘Willelmi filii Osberni, Emmæ matris eius, Ansfredi filii Athlæ.’
1066, William the Conqueror made ‘Guillaume le fitz Osber’ and Roger de Montgomery his Marshalls of England.
1066-7, William created the Earl of Hereford. [William was also acting as an Earl in Somerset, Hampshire and Gloucestershire. William owned lands in Dorset, Berkshire, Worcestershire, and Oxfordshire. Most of these had belong to Earl Harold before the conquest, suggesting that William may have succeeded to the earldom of Wessex.]
2/21/1067, King William left ‘Willelmum filium Osberni quem in Herefordensi provincia comitum’ when he went to Normandy. [William the viceroy of England while King William was away until the end of the year.]
1067, William resided at Winchester, Hampshire, the seat of the royal treasure.
1067, William suppressed the rebellion of ‘Eadric the Wild’ in Herefordshire, who had allied himself with the Welsh and attack the castle of Hereford.
1068, ‘Willelmus comes filius Osberni dapiferi [steward of the king]’ made donations to Sainte-Trinite de Rouen, confirmed by his son William of Breteuil.
1068, King William appointed William as his regent in England when he returned to Normandy.
1069, Earl William witnessed a number of charters of King William.
8/1069, Danes invaded England, landing at Norwich. William helped suppress the invasion. [William had been assigned Norwich, but was no longer in charge.] (S) English Historical Review, 1922, P17.
2/17/1070, William, with approval of the King, siezed treasures from monasteries in England.
1070, William fitz Osbern dispatched to Normandy by King William to act as guardian of Count Baldwin of Flanders’ son Arnulf, who became the King’s stepson.
~1070, Adeliza died.
Aft. 6/1070, William married 2nd Ctss Richilde (1512883265). [No children.]
1071, King William appointed William as regent in Normandy.
1071, William fitz Osbern, earl of Hereford, placed his brother-in-law Ralph de Tosny in charge of the frontier district of Clifford-on-Wye in south Wales. (S) Age of Conquest: Wales, Davies, 2000, P82.
2/22/1071, William killed at the Battle of Cassel [northern France] supporting King Philip of France and the Count of Flanders; buried at the abbey of Corneilles. [The Count of Flanders also died in the battle.]
(S) Foundation for Medieval Genealogy. (S) The Capetians, Bradbury, 2007. (S) Battle Conference, 1990, P215-7.
1024, A ‘Willerinus fil. Osberni’ appears in a charter. (S) History of England Under the Norman Kings, Lappenberg, 1857, P155.
Children of William and Adeliza:
i. William of Breteuil (2555189250), born ~1040 in Normandy.
ii. Roger of Breteuil, born ~1045 in Normandy.
1071, Roger inherited the lands in England, becoming the earl of Hereford.
1074, Roger went into rebellion against King William.
1075, Roger, earl of Hereford, conspired with his brother-in-law Raoul de Gaël Earl of Norfolk at Exning, Cambridgeshire, at the marriage of his sister, against King William.
1075, Roger’s rebellion failed, Roger imprisoned for the rest of his life.
1087, Roger died. [Released when near death from prison, likely by King William Rufus.]
iii. Emma of Hereford (636464189), born ~1055 in Normandy.