Diether von Isenburg ( 14127 May 1482) was twice Archbishop (1459–1461 and 1475–1482) and founder of the

University of Mainz The Johannes Gutenberg University Mainz () is a public research university in Mainz, Rhineland Palatinate, Germany. It has been named after the printer Johannes Gutenberg since 1946. it had approximately 32,000 students enrolled in around 100 a ...

. As Archbishop of Mainz, he was ''ex officio''

Elector Elector may refer to: * Prince-elector or elector, a member of the electoral college of the Holy Roman Empire, having the function of electing the Holy Roman Emperors * Elector, a member of an electoral college ** Confederate elector, a member of t ...

and Lord Chancellor of

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

Biography

Diether was a son of Diether I, count of

Isenburg-Büdingen Isenburg-Büdingen was a County of southern Hesse, Germany, located in Büdingen. It was originally a part of the County of Isenburg. History There were two different Counties of the same name. The first (1341–1511) was a partition of Isenbur ...

. Early in childhood he was sent into a religious life. He was educated in

Cologne Cologne ( ; ; ) is the largest city of the States of Germany, German state of North Rhine-Westphalia and the List of cities in Germany by population, fourth-most populous city of Germany with nearly 1.1 million inhabitants in the city pr ...

and later

Erfurt Erfurt () is the capital (political), capital and largest city of the Central Germany (cultural area), Central German state of Thuringia, with a population of around 216,000. It lies in the wide valley of the Gera (river), River Gera, in the so ...

. In 1427 he became a member of

Mainz Cathedral Mainz Cathedral or St. Martin's Cathedral ( or, officially, ') is located near the historical center and pedestrianized market square of the city of Mainz, Germany. This 1000-year-old Roman Catholic cathedral is the site of the episcopal see of th ...

, in 1434 a rector in

, and in 1453 a cathedral vicar. In 1456 the cathedral chapter of

Trier Trier ( , ; ), formerly and traditionally known in English as Trèves ( , ) and Triers (see also Names of Trier in different languages, names in other languages), is a city on the banks of the Moselle (river), Moselle in Germany. It lies in a v ...

elected John II of Baden against Diether. On 18 June 1459 he was elected the Archbishop of Mainz with a clear majority over Adolph of Nassau-Wiesbaden-Idstein, although never confirmed by the Pope. In 1461 he went to

Nuremberg Nuremberg (, ; ; in the local East Franconian dialect: ''Nämberch'' ) is the Franconia#Towns and cities, largest city in Franconia, the List of cities in Bavaria by population, second-largest city in the States of Germany, German state of Bav ...

for Imperial and Papal reform, and its recommendations earned him the wrath of both the Emperor Frederick III and

Pope Pius II Pope Pius II (, ), born Enea Silvio Bartolomeo Piccolomini (; 18 October 1405 – 14 August 1464), was head of the Catholic Church and ruler of the Papal States from 19 August 1458 to his death in 1464. Aeneas Silvius was an author, diplomat, ...

. Diether refused to cease reforms in the church, and thus Pius II declared Adolph of Nassau the Archbishop of Mainz, beginning the Mainz Feud. The archdiocese was wracked by violent warfare. On the night of 28 October 1462 Adolph captured the city of Mainz, killed 400 citizens and had another 400 including

Johannes Gutenberg Johannes Gensfleisch zur Laden zum Gutenberg ( – 3 February 1468) was a German inventor and Artisan, craftsman who invented the movable type, movable-type printing press. Though movable type was already in use in East Asia, Gutenberg's inven ...

exiled, and revoked its town charter and status as an Imperial City. However Diether did not leave the city until 1463. When Adolph died in 1475 he recommended Diether be his successor, and on 9 November that year he was again elected. The reformist

Pope Sixtus IV Pope Sixtus IV (or Xystus IV, ; born Francesco della Rovere; (21 July 1414 – 12 August 1484) was head of the Catholic Church and ruler of the Papal States from 9 August 1471 until his death in 1484. His accomplishments as pope included ...

confirmed him. In 1477 Diether donated the

to the city. He died in

Aschaffenburg Aschaffenburg (; Hessian: ''Aschebersch'', ) is a town in northwest Bavaria, Germany. The town of Aschaffenburg, despite being its administrative seat, is not part of the district of Aschaffenburg. Aschaffenburg belonged to the Archbishopric ...

in 1482 and was buried in Mainz Cathedral.

References

External links

* {{DEFAULTSORT:Diether Von Isenburg 1412 births 1482 deaths 15th-century Roman Catholic archbishops in the Holy Roman Empire Archbishop-electors of Mainz Burials at Mainz Cathedral Founders of educational institutions German founders House of Isenburg Johannes Gutenberg University Mainz

Biography

References

Further reading

External links