Counts · Landgraviate of Thuringia · as at first light, 1 January 1200

Käfernburg

The Käfernburg line of the house, seated at the castle of Käfernburg above Arnstadt.

It holds part of Arnstadt, where Hersfeld abbey keeps the lordship, the coinage, the market and the appointment of the mayors, together with family allods in the northern Thuringian Forest; the family founded the Cistercian abbey of Georgenthal. Its side in the throne war is not pinned.

Who he is

Name
Günther III
Title
Count of Käfernburg (Kevernburg)
Since
1197, on the death of his father Günther II
Born
not pinned (died about 1221-23)
Family
Brother of Henry II of Schwarzburg; father of Albert I, later founder of the Rabenswalde line. A brother, Ludolf, holds Hallermund in Saxony (nse).
Confidence
medium

de.wikipedia Günther II. (Schwarzburg-Käfernburg); Arnstadt

Overlord

The king, the landgrave (county jurisdiction); Hersfeld for Arnstadt.

What it holds

  • Käfernburg castle
  • Part of Arnstadt (the rest is Hersfeld's)
  • Allods at Plaue and Ilmenau (division between the brothers not pinned)
  • Advocacy of Georgenthal abbey (family foundation; not pinned for 1200)

How it was acquired

Inherited 1197.

Allies and rivals

Hersfeld abbey at Arnstadt; the landgrave; the counts of Gleichen to the north.

How things stand that morning

Holds Käfernburg; allegiance not pinned (his brother Henry is said to have backed Philip).

Wealth

Arnstadt market dues (shared), forest.

Military

Käfernburg castle. No numbers.

Threats

  • Hersfeld's claims at Arnstadt

Places of note

  • Käfernburg castle: Castle above Arnstadt (coordinates approximate)
  • Georgenthal abbey: Cistercian house founded by the family

Where the sources disagree

Evidence: Genealogy fair; holdings in 1200 thin.

On the map: Approximate.

Primary sources for Thuringia

Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.

Sources and studies

  1. de.wikipedia: Arnstadt
  2. de.wikipedia: Günther II. (Schwarzburg-Käfernburg)

Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.