funeral in Acre in 1236. Family John was married twice. His first wife, in 1201/1202, was Helvis of Nephin. Little is known of the marriage except that the couple had five sons, all of whom died before Helvis died as well. In 1207, John married Melisende, Lady of Arsuf, with whom he had five sons and a daughter: Balian of Beirut (d. 1247), who succeeded him as Lord of Beirut, and fathered John II of Beirut John of Arsuf (c. 1211–1258), lord of Arsuf and constable of Jerusalem, father of Balian of Arsuf (1239–1277) Hugh of Ibelin (died 1238) Baldwin of Ibelin (died 1266) Guy of Ibelin, constable of Cyprus Isabella, who became a nun Notes References John L. La Monte, "John of Ibelin. The Old Lord of Beirut, 1177-1236." Byzantion, xii, 1937. Joshua Prawer, "Crusader Nobility and the Feudal System" in Crusader institutions, Clarendon Press, Oxford, 1980, pp. 20–45. 1170s births 1236 deaths 12th-century people of the Kingdom of Jerusalem 13th-century people of the Kingdom of Jerusalem Christians of the Sixth Crusade People temporarily excommunicated by the Catholic Church Regents of Jerusalem House of Ibelin 13th-century viceregal rulers History of Beirut