David I of Scotland only after Henry II ordered David's child successor Máel Coluim IV to hand over the most important of David's gains. It is clear that neither one of these interpretations can be taken without some weight being given to the other. Henry I had arranged his inheritance to pass to his daughter Empress Matilda. Instead, Stephen, younger brother of Theobald II, Count of Blois, seized the throne. David had been the first lay person to take the oath to uphold the succession of Matilda in 1127, and when Stephen was crowned on 22 December 1135, David decided to make war. Before
Battle of the Standard and in the settling of regained territory, he had drawn on the talent and resources of the Anglo-Norman lands. The death of Henry I in 1135, weakening England, made David more reliant on his native subjects, and allowed him to contemplate winning control over substantial areas of northern England. Henry I had wished his inheritance to pass to his daughter Matilda, and in 1127 made his notables swear an oath to uphold the succession of Matilda (David was the first layman to do so). Many of the English and Norman magnates and barons were against Matilda because she was married