Dietrich of Horne
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Dietrich of Horne
Dietrich of Horne
Dietrich von horne.jpg
Dietrich of Horne
BornHorneburg Castle, near Westendorf (now part of Rieste)
Died(1402-01-19)19 January 1402
Noble familyvon Horne

Dietrich of Horne (b. in Horneburg (Westendorf) – d. 19 January 1402 in Osnabrück) was a German nobleman. He was bishop of Osnabrück from 1376 until his death.


Dietrich was a member of the noble von Horne family, who resided at Horneburg Castle (later name Harenburg Castle) northeast of the settlement of Westendorf, today called Bieste, north of Osnabrück.[1] The settlement of Bieste is now part of the municipality of Rieste. He allegedly had an illegitimate son name Frederick of Horne.[2]

In 1376, the cathedral chapter of the Bishopric of Osnabrück elected Dietrich in episcopum et pastorem ecclesie Osnaburgensis, i.e. as the new Bishop. At the time of this election, the bishopric was involved in several disputes and was heavily indebted. All of its castles — except the castle in Quakenbrück — were occupied by Count Otto VI of Tecklenburg. A conflict arose when Otto VI remanded that Dietrich should concentrate on the religious affairs of his diocese, leaving worldly power in his bishopric to the counts of Tecklenburg.[3] Dietrich managed to reconquer several towns, including Vörden, during the course of this conflict.[3][4]

During his tenure there was also a dispute with the Order of Saint John, Commandry of Lage, who refused to pay taxes to the bishopric. In 1384, Dietrich ordered a raid on the commandry, probably on 18 February. During the raid, the commandry was destroyed.[5] After a long struggle, he reimbursed the commandry, so that it could be rebuilt.[6]

In 1398, the cathedral chapter of Osnabrück decided that during the rest of his tenure only nobleman and graduates could join the chapter.[7] In 1400, the border with the Diocese of Münster was modified: the district of Cloppenburg was transferred to Münster; the County of Lingen and the Lower Stift of Münster were transferred to Osnabrück (for religious affairs only; Münster retained worldly power in the Lower Stift).[7]

Towards the end of his reign, he was weakened by old age and illness. Leading circles in the bishopric opposed him and he had to appoint a coadjutor to resist them.[8]


  • Carl Stüve: Geschichte des Hochstiftes Osnabrück bis zum Jahr 1508, vol. 1, Osnabrück, 1853, p. 251 ff


  1. ^ Homepage of the hamlet of Bieste, viewed on 8 December 2010
  2. ^ Wilhelm Kohl: Das Domstift St. Paulus zu Münster, Online, viewed on 8 December 2010, cited by
  3. ^ a b Heinrich Schmidt: Bischof und Kirche im Spiegel norddeutscher Bischofschroniken des späten Mittelalters, in: Ulrich Köpf (ed.): Wissenschaftliche Theologie und Kirchenleitung: Beiträge zur Geschichte einer spannungsreichen Beziehung, Festschrift für Rolf Schäfer, Tübingen, 2001, p. 29 ff, Online, viewed on 8 December 2010
  4. ^ History of Vörden Archived 2012-09-10 at, viewed on 8 December 2010 (in German)
  5. ^ History of the St. Paul parish in Vörden[permanent dead link], viewed on 8 December 2010 (in German)
  6. ^ History of the Commandry at Lage Archived 2011-12-09 at the Wayback Machine, viewed on 8 December 2010 (in German)
  7. ^ a b History of the diocese of Osnabrück[permanent dead link], viewed on 8 December 2010 (in German)
  8. ^ See Schmidt, p.50, footnote 72
Dietrich of Horne
von Horne
 Died: 19 January 1402
Catholic Church titles
Regnal titles
Preceded by
Prince-Bishop of Osnabrück
Succeeded by
Henry I

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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