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
Henry I, Count of Eu promise of good behaviour and at the request of William de Warenne, they were released. Nevertheless, Henry and Hugh, joining with Stephen of Aumale, led a rebellion in the northeast and provided military support to Baldwin VI. The rebellion ended in September 1118 at the Battle of Bures-en-Brai, where Baldwin was mortally wounded. Henry returned to the side of King Henry I. A few months later, on August 20, 1119, Henry was one several barons who accompanied King Henry I when a meeting of the Norman and French royal armies gave rise to the Battle of Brémule. The French were