Siegfried III von Eppstein (died 9 March 1249) was

Archbishop of Mainz The Elector of Mainz was one of the seven Prince-electors of the Holy Roman Empire. As both the Archbishop of Mainz and the ruling prince of the Electorate of Mainz, the Elector of Mainz held a powerful position during the Middle Ages. The Archb ...

from 1230 to 1249. He in 1244 granted freedom to the citizens of

Mainz Mainz () is the capital and largest city of Rhineland-Palatinate, Germany. Mainz is on the left bank of the Rhine, opposite to the place that the Main joins the Rhine. Downstream of the confluence, the Rhine flows to the north-west, with Ma ...

, who subsequently could run their affairs more independently though their own council; in law it remained an episcopal city. He acted as regent for

Conrad IV of Germany Conrad (25 April 1228 – 21 May 1254), a member of the Hohenstaufen dynasty, was the only son of Emperor Frederick II from his second marriage with Queen Isabella II of Jerusalem. He inherited the title of King of Jerusalem (as Conrad II) up ...

, while

Emperor Frederick II Frederick II (German: ''Friedrich''; Italian: ''Federico''; Latin: ''Federicus''; 26 December 1194 – 13 December 1250) was King of Sicily from 1198, King of Germany from 1212, King of Italy and Holy Roman Emperor from 1220 and King of Jer ...

was campaigning in Italy, 1237 to 1242. He was, though, a supporter of

Pope Innocent IV Pope Innocent IV ( la, Innocentius IV; – 7 December 1254), born Sinibaldo Fieschi, was head of the Catholic Church and ruler of the Papal States from 25 June 1243 to his death in 1254. Fieschi was born in Genoa and studied at the universitie ...

. He held a major

synod A synod () is a council of a Christian denomination, usually convened to decide an issue of doctrine, administration or application. The word '' synod'' comes from the meaning "assembly" or "meeting" and is analogous with the Latin word mean ...

in 1239. He added

Lorsch Abbey Lorsch Abbey, otherwise the Imperial Abbey of Lorsch (german: Reichsabtei Lorsch; la, Laureshamense Monasterium or ''Laurissa''), is a former Imperial abbey in Lorsch, Germany, about east of Worms. It was one of the most renowned monasteries ...

to the archbishopric.CATHOLIC ENCYCLOPEDIA: Lorsch Abbey
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Notes

External links

* * The city rights privilege for Mainz dated 1244 () 1249 deaths Archbishops of Mainz Burials at Mainz Cathedral Year of birth unknown {{Germany-RC-bishop-stub