Henry I of France whose death Henry was left to deal with his rebel sibling. In 1032, he placated his brother by giving him the duchy of Burgundy which his father had given him in 1016. In an early strategic move, Henry came to the rescue of his very young nephew-in-law, the newly appointed Duke William of Normandy (who would go on to become William the Conqueror), to suppress a revolt by William's vassals. In 1047, Henry secured the dukedom for William in their decisive victory over the vassals at the Battle of Val-ès-Dunes near Caen; however, Henry would later support the barons against
Companions of William the Conqueror been drawn up over the ages but, unless new evidence turns up, all are conjecture of no historical value. The three unchallenged sources remain as follows: The following three sources constitute the only generally accepted reliable contemporary evidence which names participants at the Battle of Hastings. Between all three sources only 15 names result. These three sources are unfortunately manifestly inadequate, as all are primarily from a Norman perspective. William of Poitiers, chamberlain to Duke William and a trained knight, who provides the most detail, was absent in France during the battle, and betrays severe prejudices in respect of Breton