Example image of eyePlorer eyePlorer map for 'Battle of Welfesholz': Duchy of Saxony Holy Roman Empire Henry IV, Holy Roman Emperor Henry V, Holy Roman Emperor Investiture Controversy King of the Romans Holy Roman Emperor Kingdom of Italy (medieval) Pope Paschal II Adalbert of Mainz Cuno of Praeneste Lothair III, Holy Roman Emperor Papal legate Great Saxon Revolt Trifels Castle Ulric II, Margrave of Carniola House of Ascania Thale Wiprecht of Groitzsch Andernach Frederick I (Archbishop of Cologne) Bishopric of Halberstadt Henry, Duke of Lower Lorraine Pegau Saxony-Anhalt Welfesholz 1115 List of battles 601–1400