Example image of eyePlorer eyePlorer map for 'Godfrey of Bouillon': 1100 First Crusade July 18 List of rulers of Lorraine Lords of Bouillon Kingdom of Jerusalem Siege of Jerusalem (1099) Count of Boulogne Eustace II, Count of Boulogne Godfrey III, Duke of Lower Lorraine Ida of Lorraine Belgium Boulogne-sur-Mer Brabant France Holy Roman Empire Duchy Godfrey IV, Duke of Lower Lorraine Lower Lorraine Antwerp (province) Bouillon Henry IV, Holy Roman Emperor Investiture Controversy Pope Gregory VII Italy Rudolf of Rheinfelden Matilda of Tuscany Baldwin I of Jerusalem Eustace III, Count of Boulogne Crusades Pope Urban II Bishopric of Verdun Prince-Bishopric of Liège Raymond IV, Count of Toulouse Adhemar of Le Puy Papal legate Roman Catholic Diocese of Le Puy-en-Velay Bohemond I of Antioch Italo-Norman Robert II, Count of Flanders Adriatic Sea Hungary Charlemagne Robert the Monk Christian Constantinople Alexios I Komnenos List of Byzantine emperors Hugh I, Count of Vermandois Seljuq dynasty