Louis VI of France of Anjou. This was a very dangerous alliance for Louis and would prove so during the reign of his successor, Louis VII of France. As Louis VI approached his end, there seemed to be reasons for optimism. Henry I of England had died on 1 December 1135 and Stephen of Blois had seized the English crown, reneging on the oath he had sworn to Henry I to support Matilda. Stephen was thus in no position to bring the combined Anglo-Norman might against the French crown. Louis had also made great strides in exercising his royal authority over his barons, and
The Anarchy the spoils. William's son Henry I seized power after the death of his elder brother William Rufus and subsequently invaded and captured the Duchy of Normandy, controlled by his eldest brother Robert Curthose, defeating Robert's army at the Battle of Tinchebray. Henry intended for his lands to be inherited by his only legitimate son, seventeen-year-old William Adelin. In 1120, the political landscape changed dramatically when the "White Ship" sank en route from Barfleur in Normandy to England; around three hundred passengers died, including Adelin. With Adelin dead, the inheritance to the English throne was thrown into doubt. Rules of succession