Principality of Grubenhagen

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Principality of Grubenhagen
Fürstentum Grubenhagen
State of the Holy Roman Empire
Brunswick-Lüneburg Arms.svg
1291–1596 DEU Fuerstentum Lueneburg COA.svg


Coat of arms

Capital Einbeck,
Herzberg from 1486
Government Principality
Historical era Middle Ages
 -  Henry I the Admirable
    Duke of Brunswick
    Prince of Grubenhagen
1291
 -  Joined
    Lower Saxon Circle
1500
 -  Line extinct, annexed
    by Wolfenbüttel
1596
 -  Ceded to Principality of Lüneburg 1617

The Principality of Grubenhagen was a subdivision of the Welf Duchy of Brunswick-Lüneburg in the Holy Roman Empire. It is also known as Brunswick-Grubenhagen. Grubenhagen was located around the southwestern edge of the Harz, and included the towns of Osterode am Harz, Herzberg am Harz, Duderstadt, Einbeck and the eastern exclave of Elbingerode.

Grubenhagen was split off from the Brunswick subdivision of the duchy in 1291; its first ruler was Henry I, Duke of Brunswick-Lüneburg. Henry's sons split the small principality further in 1322 as they themselves had numerous heirs; Prince Otto of Grubenhagen, son of Duke Henry II, in view of his small share left for Montferrat, married Queen Joan I of Naples in 1376 and became Prince of Taranto in 1383. The Principality of Grubenhagen was finally reunited in 1526 under the rule of Duke Philip I of Brunswick-Lüneburg.

When in 1596 the Grubenhagen branch became extinct, the territory was disputed by the different lines of the Brunswick-Lüneburg dynasty. Duke Henry Julius of Brunswick-Wolfenbüttel occupied Grubenhagen, his son Frederick Ulrich however had to cede it to Prince Christian of Lüneburg by a 1617 ruling of the Imperial Chamber Court (Reichskammergericht) at Speyer. With the Principality of Lüneburg, Grubenhagen was finally inherited by Prince Christian Louis of Calenberg in 1648. After his death in 1665 Grubenhagen ceased to exist as an independent principality. Formally, it remained a state of the Holy Roman Empire until its dissolution in 1806.

Coat of arms of the Calenberg-Grubenhagen Landschaft, photographed on a house in Göttingen

A Calenberg-Grubenhagen Landschaft (administrative division) still exists today.

Dukes of Brunswick-Lüneburg, Princes of Grubenhagen[edit]

Principality divided in 1479.

Grubenhagen re-united in 1526.

External links[edit]