England in the Middle Ages Normandy. Norman rule, however, proved unstable; successions to the throne were contested, leading to violent conflicts between the claimants and their noble supporters. William II inherited the throne but faced revolts attempting to replace him with his older brother Robert or his cousin Stephen of Aumale. In 1100, William II died while hunting. Despite Robert's rival claims, his younger brother Henry I immediately seized power. War broke out, ending in Robert's defeat at Tinchebrai and his subsequent life imprisonment. Robert's son Clito remained free, however, and formed the focus for fresh revolts until his death in 1128. Henry's only legitimate
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