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
Baldwin I of Jerusalem from his subjects. He appointed his relative, Baldwin of Le Bourcq, his successor in the county and Le Bourcq swore fealty to him. About 200 knights and 300–700 foot-soldiers accompanied Baldwin when he left Edessa on 2October 1100. He spent four days in Antioch, but did not accept the local inhabitants' offer to administer the principality during Bohemond's captivity. Duqaq of Damascus wanted to ambush him on the narrow road near the mouth of the Nahr al-Kaib River. Fakhr al-Mulk, the qadi of Tripoli, secretly warned Baldwin, enabling him to make arrangements to defeat the attack and he routed the