Baldwin IV of Jerusalem Baldwin IV of Jerusalem Baldwin IV (; ; 1161 – 16 March 1185), called "the Leper", or The Leper King, reigned as King of Jerusalem from 1174 until his death. He was the son of Amalric I of Jerusalem and his first wife, Agnes of Courtenay. Baldwin spent his childhood in his father's court in Jerusalem, having little contact with his mother, Agnes of Courtenay, Countess of Jaffa and Ascalon, and later Lady of Sidon, whom his father had been forced to divorce. Baldwin IV was educated by the historian William of Tyre (later Archbishop of Tyre and Chancellor of
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