Eric I, Duke of Brunswick-Grubenhagen

Eric I, Duke of Brunswick- Grubenhagen, called the winner (c. 1383, † May 28, 1427 ), ruled the Principality Grubenhagen, part of the Principality of the Duchy of Brunswick-Lüneburg.

Life and work

Erich was the only son of the late Duke Albert I of 1383 Grubenhagen and stood until 1401 under the tutelage of his uncle, Duke Frederick of Grubenhagen - Osterode. In 1402 he joined with him a contract for the government of the country and relocated to Salzderhelden.

Disputes with his cousins ​​Bernhard I. and Frederick I of Lüneburg, with the City of Brunswick, with his former guardian, with the counts of Schwarzburg and the Landgrave of Thuringia were settled soon.

1406 Erich was captured in a feud with Mr. von Hardenberg in Lindau ( calibration field ) and released after issuing a written oath of truce and a guarantee of the town of Osterode am Harz.

1415 made ​​war Erich the Counts of Hohenstein because of claims by both sides to the County Lauter mountain or border disputes and defeated them near the village of Oster Hagen. Count Günther von Hohenstein fell, the Count Heinrich and Ernst were captured and had to be freed under renunciation of their claims with 8000 guilders.

Other disputes with the Lords of Bortfeld, against Erich an alliance with the city of Braunschweig closed, and in 1424 with the Landgrave Frederick the Peaceable of Thuringia for the city of Einbeck were soon settled.

1422 Erich received by the abbess of Gander home, his daughter Agnes, the castle and the forest Elbingerode as a fief. 1424 he received Duderstadt, Gieboldehausen and the Golden Mark as a fief of the abbess of Quedlinburg, Adelheid von Isenburg.

Progeny

With his wife Elizabeth, daughter of Duke Otto of Quadi of Göttingen, Erich had five daughters and three sons. Henry III. Albrecht II and followed him, Ernst III. was provost of Alexander pin in Einbeck, where the Dukes of Grubenhagen had the right to occupy important posts like that of the provost.