John of Ibelin was the name of a number of important crusader nobles of the 13th century, descended from Balian of Ibelin and Maria Comnena: This article is about the medieval Crusades . ... (12th century - 13th century - 14th century - other centuries) As a means of recording the passage of time, the 13th century was that century which lasted from 1201 to 1300. ... Balian of Ibelin (c. ... Maria Comnena (c. ...

• John of Ibelin (1179-1236), the "Old Lord of Beirut," constable of Jerusalem, regent of the Kingdom of Jerusalem, regent of the Kingdom of Cyprus, and an opponent of Frederick II, Holy Roman Emperor. His first wife was Helvis of Nephin; in 1207 he married Melisende of Arsuf, and had two sons:
  • Balian (died 1247), who succeeded him as Lord of Beirut. He married Eschiva of Montbéliard and had:
    • John of Ibelin (died 1264), lord of Beirut, often called John II to distinguish him from his grandfather. He married Alice de la Roche, daughter of Guy I de la Roche, Duke of Athens.
  • John of Ibelin (c. 1211-1258), lord of Arsuf and constable of Jerusalem, whose son, also named Balian, lord of Arsuf, married Plaisance of Antioch.
• Philip of Ibelin (died 1228), regent of Cyprus, married Alice of Montbéliard and had one son:
  • John of Ibelin (1215-1266), count of Jaffa and Ascalon, bailli of Cyprus, and author of the Assizes of the Haute Cour of Jerusalem. He married Maria, sister of Hethum I of Armenia.

John of Ibelin (c. ... Events Third Council of the Lateran condemned Waldensians and Cathars as heretics, institutes a reformation of clerical life, and creates the first ghettos for Jews Afonso I is recognized as the true King of Portugal by Portugal the protection of the Catholic Church against the Castillian monarchy Philip II is... Events May 6 - Roger of Wendover, Benedictine monk and chronicler of St Albanss Abbey dies. ... The Crusader state of the Kingdom of Jerusalem, created in 1099, was divided into a number of smaller seigneuries. ... There were six major officers of the Kingdom of Jerusalem: constable, marshal, seneschal, chamberlain, butler, and chancellor. ... Official language Latin, French, Italian, and other western languages; Greek and Arabic also widely spoken Capital Jerusalem, later Acre Constitution Various laws, so-called Assizes of Jerusalem The Kingdom of Jerusalem was a French kingdom established in the Levant in 1099 by the First Crusade. ... Lusignan castle of Kantara in the Pentadactylos mountains The Kingdom of Cyprus was a Roman Catholic Crusader kingdom on the island of Cyprus in the late Middle Ages. ... Frederick II (left) meets al-Kamil (right). ... Events Stephen Langton consecrated Archbishop of Canterbury June 17 by Pope Innocent III Births September 8 - King Sancho II of Portugal October 1 - King Henry III of England (d. ... Events Shams ad-Din disappears resulting in Jalal Uddin Rumi writing 30,000 verses of poetry about his disappearance. ... Events May 12 - The Battle of Lewes begins (ends May 14). ... The Duchy of Athens was one of the Crusader States set up in Greece after the conquest of the Byzantine Empire during the Fourth Crusade. ... Events The oldest extant double entry bookkeeping record dates from 1211 Canons regular of the Order of the Holy Cross founded September 14 1211 Births Deaths Monarchs/Presidents France - Philippe II, Auguste King of France (reigned from 1180 to 1223) Mongol Empire - Genghis Khan, Mongol Khan (from 1206 to 1227... Events= February 10 - Mongols overrun Baghdad, burning it to the ground and killing 800,000 citizens Llywelyn the Last declares himself Prince of Wales. ... Queen Plaisance of Cyprus, born Plaisance of Antioch (b c 1235 died 1261) was a daughter of Bohemund V of Antioch and his second wife, an Italian noblewoman Lucienne dei Conti di Segni, kinswoman of Pope Innocent III. She became Queen consort and Queen regent of the Kingdom of Cyprus... Events The Sixth Crusade is launched by Frederick II, Holy Roman Emperor, after delays due to sickness and an excommunication from Pope Gregory IX. Conrad IV of Germany becomes titular King of Jerusalem, with Frederick II as regent. ... John of Ibelin (1215– December, 1266), count of Jaffa and Ascalon, was a noted jurist and the author of the longest legal treatise from the Kingdom of Jerusalem. ... Events June 15 - King John of England forced to put his seal to the Magna Carta, outlining the rights of landowning men (nobles and knights) and restricting the kings power. ... Events February 26 - French defeat Germans and Sicilians at Battle of Benevento. ... The double County of Jaffa and Ascalon was one of the four major seigneuries of the Kingdom of Jerusalem, according to 13th-century commentator John of Ibelin. ... The Haute Cour (High Court) was the feudal council of the Kingdom of Jerusalem. ... King Hetoum (right) and Queen Zabel (left) on a silver tram Hethum (or Hetoum) I of Armenia ruled the Armenian Kingdom of Cilicia from 1226 to 1270. ...

References

• Peter W. Edbury, John of Ibelin and the Kingdom of Jerusalem. Boydell Press, 1997.
• J.L. La Monte, "John of Ibelin. The Old Lord of Beirut, 1177-1236." Byzantion, xii, 1947.
• Jonathan Riley-Smith, The Feudal Nobility and the Kingdom of Jerusalem, 1174-1277. MacMillan Press, 1973.