History of Bristol Welsh estate and Robert of Caen became the first Earl of Gloucester, c. 1122. He is believed to have been responsible for completing Bristol castle. In 1135 Henry I died and the Earl of Gloucester rallied to the support of his sister Matilda against Stephen of Blois who had seized the throne on Henry's death. Stephen attempted to lay siege to Robert at Bristol in 1138 but gave up the attempt as the castle appeared impregnable. When Stephen was captured in 1141 he was imprisoned in the castle, but when Robert was captured by Stephen's forces, Matilda was forced to
Henry I of France time of his death; for six years Henry's queen Anne of Kiev ruled as regent. At the time of his death, he was besieging Thimert, which had been occupied by the Normans since 1058. Henry I was betrothed to Matilda, the daughter of Conrad II, Holy Roman Emperor, but she died prematurely in 1034. Henry then married Matilda of Frisia, but she died in 1044, following a Caesarean section. Casting further afield in search of a third wife, Henry married Anne of Kiev on 19 May 1051. They had four children: Henry I of France Henry I (4 May 1008