Udo of Nellenburg (c. 1030 – 11 November 1078) was the Archbishop of Trier from 1066 until his death. He was an important mediator during the height of the Investiture Controversy.

Biography

Udo was born in Tübingen,

Swabia Swabia ; german: Schwaben , colloquially ''Schwabenland'' or ''Ländle''; archaic English also Suabia or Svebia is a cultural, historic and linguistic region in southwestern Germany. The name is ultimately derived from the medieval Duchy of ...

, as the eldest son of Count Eberhard of Nellenburg. After the murder of Archbishop Cuno I of Trier, a foreigner, in early June 1066, the cathedral chapter elected Udo, one of their number to replace him. In 1067, Udo received priestly consecration. Udo became a leading German voice in the campaign of

Pope Alexander II Pope Alexander II (1010/1015 – 21 April 1073), born Anselm of Baggio, was the head of the Roman Catholic Church and ruler of the Papal States from 1061 to his death in 1073. Born in Milan, Anselm was deeply involved in the Pataria refor ...

against

simony Simony () is the act of selling church offices and roles or sacred things. It is named after Simon Magus, who is described in the Acts of the Apostles as having offered two disciples of Jesus payment in exchange for their empowering him to imp ...

. Beginning in 1075, he became involved in the campaign against lay investiture being waged by

Pope Gregory VII Pope Gregory VII ( la, Gregorius VII; 1015 – 25 May 1085), born Hildebrand of Sovana ( it, Ildebrando di Soana), was head of the Catholic Church and ruler of the Papal States from 22 April 1073 to his death in 1085. He is venerated as a saint ...

against the

Emperor Henry IV Henry IV (german: Heinrich IV; 11 November 1050 – 7 August 1106) was Holy Roman Emperor from 1084 to 1105, King of Germany from 1054 to 1105, King of Italy and Burgundy from 1056 to 1105, and Duke of Bavaria from 1052 to 1054. He was the son ...

. He was looked upon as a mediator in the dispute. He was, however, unable to maintain the peace, but still worked at a resolution. In August 1077, he negotiated a reconciliation between emperor and pope and maintained his own good terms with the Holy See. In March 1078, he received a letter from the pope asking him to work further for the establishment of peace. He died in 1078 while besieging Tübingen with an imperial army. He was eventually buried in

Trier Cathedral The High Cathedral of Saint Peter in Trier (german: Hohe Domkirche St. Peter zu Trier), or Trier Cathedral (german: Trierer Dom), is a Roman Catholic cathedral in Trier, Rhineland-Palatinate, Germany. It is the oldest church in Germany and the lar ...

Sources

* {{DEFAULTSORT:Udo Archbishops of Trier 11th-century Roman Catholic archbishops in the Holy Roman Empire 1030s births 1078 deaths Year of birth uncertain