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 I, Margrave of Flanders Baldwin I, Margrave of Flanders Baldwin I (probably 830s – 879), also known as Baldwin Iron Arm (the epithet is first recorded in the 12th century), was the first Margrave of Flanders. At the time Baldwin first appears in the records he was already a count, presumably in the area of Flanders, but this is not known. Count Baldwin rose to prominence when he eloped with princess Judith, daughter of Charles the Bald, king of West Francia. Judith had previously been married to Æthelwulf and his son (from an earlier marriage) Æthelbald, kings of Wessex, but after the latter's death