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
Philip I of France Western Europe, his name was of Greek origin, being bestowed upon him by his mother. Although he was crowned king at the age of seven, until age fourteen (1066) his mother acted as regent, the first queen of France ever to do so. Baldwin V of Flanders also acted as co-regent. Following the death of Baldwin VI of Flanders, Robert the Frisian seized Flanders. Baldwin's wife, Richilda requested aid from Philip, who was defeated by Robert at the battle of Cassel in 1071. Philip first married Bertha in 1072. Although the marriage produced the necessary heir, Philip fell in love