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
Baldwin V of Jerusalem kingdom, preceding Sibylla's claim. Baldwin V, aged 5, was crowned co-king. The succession crisis also prompted a mission to the west to seek assistance: in 1184, Patriarch Eraclius, along with Roger de Moulins, Grand Master of the Knights Hospitaller, and Arnaud de Toroge, Grand Master of the Knights Templar, travelled throughout the courts of Europe. Eraclius offered the kingship to both Philip II of France and Henry II of England: the former was the son of Louis VII, a first cousin of Baldwin V's father; the latter was a first cousin of Baldwin IV and Sibylla, and had promised to