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
Sussex in the High Middle Ages England was unsuccessful. Following charges against Robert de Bellême around his support for the failed invasion of Robert Curthose, Robert de Bellême fortified Arundel Castle around 1101. This led to forces of Henry I besieging Arundel Castle in 1102 for 3 months, building siege castles in the vicinity of Arundel including probably at Warningcamp and perhaps Ford. Henry I's forces confiscated the castle and held it himself. As the second wife of Henry I Adeliza of Louvain was Queen of England from 1121 until Henry's death in 1135. On their marriage in 1121 Henry gave Adeliza the city of Chichester