Wezilo, died 1088, was Archbishop of Mainz from 1084 to 1088. He was a leading supporter of the Holy Roman Emperor Henry IV in the

Investiture Controversy The Investiture Controversy, also called Investiture Contest ( German: ''Investiturstreit''; ), was a conflict between the Church and the state in medieval Europe over the ability to choose and install bishops ( investiture) and abbots of mona ...

, and of antipope Clement III. A priest in

Halberstadt Halberstadt ( Eastphalian: ''Halverstidde'') is a town in the German state of Saxony-Anhalt, the capital of Harz district. Located north of the Harz mountain range, it is known for its old town center that was greatly destroyed by Allied bomb ...

, Wezilo owed his promotion to the support of Henry IV. In 1085 he negotiated on behalf of the emperor with the papal legate, the future Pope Urban II, and in the same year he was convicted of simony and excommunicated by the pro-papal Synod of

Quedlinburg Quedlinburg () is a town situated just north of the Harz mountains, in the district of Harz in the west of Saxony-Anhalt, Germany. As an influential and prosperous trading centre during the early Middle Ages, Quedlinburg became a center of in ...

. In May 1087 the forces of Clement III and "the imperialist prefect Wezilo" forced

Pope Victor III Pope Victor III ( 1026 – 16 September 1087), was the head of the Catholic Church and ruler of the Papal States from 24 May 1086 to his death. He was the successor of Pope Gregory VII, yet his pontificate is far less notable than his time as De ...

to retreat from Rome. Wezilo was buried in

Mainz Cathedral , native_name_lang = , image = Mainzer Dom nw.jpg , imagesize = , imagelink = , imagealt = , caption = , pushpin map = , pushpin label position = , pushpin map alt = , pushpin mapsize = , relief = , map caption = , iso regi ...

References

{{Authority control Year of birth unknown 1088 deaths Archbishops of Mainz Investiture Controversy Simony 11th-century Roman Catholic archbishops in the Holy Roman Empire