Siegfried III von Eppstein (died 9 March 1249) was Archbishop of Mainz from 1230 to 1249. He in 1244 granted freedom to the citizens of Mainz, who subsequently could run their affairs more independently though their own council;John M. Jeep, Medieval Germany: An Encyclopedia (2001), p. 486.Mainz in law it remained an episcopal city.André Vauchez, Richard Barrie Dobson, Michael Lapidge, Encyclopedia of the Middle Ages (2000), p. 892.
He acted as regent for Conrad IV of Germany, while Emperor Frederick II was campaigning in Italy, 1237 to 1242.The New Cambridge Medieval History V, p. 399. He was, though, a supporter of Pope Innocent IV.Catholic Encyclopedia
He held a major synod in 1239.Paul B. Pixton, The German Episcopacy and the Implementation of the Decrees of the Fourth (1995), p. 418.
He added Lorsch Abbey to the archbishopric.CATHOLIC ENCYCLOPEDIA: Lorsch Abbey
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External links
Tombstone
The city rights privilege for Mainz dated 1244 ()