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Henry I, Duke of Brunswick-Grubenhagen

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Henry I the Admirable
Duke of Brunswick-Lüneburg
Prince of Grubenhagen
Reign1291–1322
SuccessorHenry II
BornAugust 1267
Died(1322-09-07)7 September 1322
Salzderhelden (today part of Einbeck)
SpouseAgnes of Meissen
IssueElizabeth
Otto
Albert
Adelaide
Facie
Agnes
Henry II
Frederick
Adelheid
Conrad
Mechtild
Ernest I
William
Richardis
Margaret
John I
HouseWelf
FatherAlbert I, Duke of Brunswick-Lüneburg
MotherAdelheid of Montferrat

Henry I (August 1267 – 7 September 1322), Duke of Brunswick-Lüneburg, called the Admirable (German: Heinrich der Wunderliche, Latin: Henricus Mirabilis), a member of the House of Welf, was the first ruler of the Principality of Grubenhagen from 1291 until his death.

Life

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He was the eldest son of the Brunswick duke Albert the Tall and his second wife Adelaide, daughter of Margrave Boniface II of Montferrat. His father had ruled the Duchy of Brunswick-Lüneburg jointly with his brother John, until both divided their territory in 1269. Albert went on to rule the Principality of Wolfenbüttel until his death in 1279.

Henry first ruled the Brunswick principality of Wolfenbüttel jointly with his younger brothers Albert II the Fat and William. In 1291 they again divided the territory; Henry received the part that came to be known as Principality of Grubenhagen. It included the cities of Einbeck, half of Hamelin, Clausthal, Amelungsborn, Duderstadt, Herzberg, and Osterode. Henry quarreled with his brother Albert, who had received the Principality of Göttingen, over the remaining belittled areas around Brunswick and Wolfenbüttel, but Albert prevailed, and Henry retreated to Grubenhagen. He took Einbeck as his residence.

In 1320, Henry was appointed Count Palatine of Saxony by the emperor. He died in 1322, and his three surviving sons who had not joined the Church divided his territory among each other.

Family

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Henry married Agnes,[1] daughter of Albert the Degenerate, Margrave of Meissen, in 1282. They had 16 children:

References

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  1. ^ Lillich 1982, p. 161.

Sources

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  • Lillich, Meredith P. (1982). Studies in Cistercian Art and Architecture. Vol. 3. Cistercian Publications.
  • Braunschweigisches Biographisches Lexikon, Appelhans 2006, ISBN 3-937664-46-7
  • At the House of Welf site
Henry I, Duke of Brunswick-Grubenhagen
Cadet branch of the House of Este
Born: August 1267 Died: 7 September 1322
German nobility
Preceded by Duke of Brunswick-Lüneburg
Princes of Wolfenbüttel
joint reign with Albert II and William I

1277–1291
Succeeded by
Principality of Grubenhagen disentangled from the Principality of Wolfenbüttel Duke of Brunswick and Lüneburg
Prince of Grubenhagen

1291–1322
Succeeded by