Sibyl de Neufmarché he could rely to implement royal policy. Sibyl's father died sometime before 1128 (most probably in 1125), and Miles came into possession of her entire inheritance, which when merged with his own estates, formed one honour. Together Sibyl and Miles had eight children: After Henry I's death in 1135, the throne of England was seized by Stephen of Blois, a grandson of William I of England. Henry's daughter, Empress Matilda (Maud), also claimed the throne, and had the support of the Marcher Lords. On the death of her husband, the Holy Roman Emperor, Henry V, in 1125, Matilda had returned
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