Baldwin of Ibelin year, the king betrothed his younger half-sister Isabella of Jerusalem, Balian's stepdaughter, to Humphrey IV of Toron, to further reduce the Ibelins' influence. In 1183 he supported Raymond against Guy, who was by now regent for the ailing Baldwin IV. Lord Baldwin was among the barons who advised the king to crown Sibylla's son Baldwin V in 1183, while Baldwin IV was still alive; this was an attempt to prevent Guy from succeeding as king. Baldwin V became sole king while still a child in 1185, and when the young king died in 1186, Sibylla was crowned queen with Guy
History of Christchurch, Dorset the 12th century Christchurch became the caput of a feudal barony when it was granted by King Henry I (1100–1135) to Richard de Redvers (d.1107), feudal baron of Plympton, Devon. The castle was originally built as a wooden motte and bailey fort, and its placement seems to have caused the realignment of nearby streets. After Richard's death the Manor of Christchurch passed to his son, Baldwin de Redvers (d.1155). Baldwin was one of the primary barons to support Empress Matilda, the daughter of King Henry I, in her claim for the crown against her cousin King Stephen (1135–1154) during The