Henry I, Duke of Brunswick-Lüneburg
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Henry Duke of Brunswick-Lüneburg
, called the Admirable (Latin Henricus Mirabilis), was the first ruler of the Principality of Grubenhagen.
The eldest son of Albert I, Duke of Brunswick-Lüneburg
, he first ruled the Principality of Wolfenbüttel after his father's death jointly with two of his brothers. In 1291 the brothers 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.
, daughter of Albert the Degenerate, Margrave of Meissen, in 1282. They had 16 children:
Brunswick-Lüneburg
The Duchy of Brunswick-Lüneburg , or more properly Duchy of Brunswick and Lüneburg, was an historical ducal state from the late Middle Ages until the late Early Modern era within the North-Western domains of the Holy Roman Empire of the German Nation, in what is now northern Germany...
, called the Admirable (Latin Henricus Mirabilis), was the first ruler of the Principality of Grubenhagen.
The eldest son of Albert I, Duke of Brunswick-Lüneburg
Albert I, Duke of Brunswick-Lüneburg
Albert the Tall , of the House of Welf, was Duke of Brunswick-Lüneburg from 1252 to 1269 and the first ruler of the newly created Principality of Brunswick-Wolfenbüttel from 1269 until his death.-Life:...
, he first ruled the Principality of Wolfenbüttel after his father's death jointly with two of his brothers. In 1291 the brothers divided the territory; Henry received the part that came to be known as Principality of Grubenhagen. It included the cities of Einbeck
Einbeck
Einbeck is a town in the district Northeim, in southern Lower Saxony, Germany. It is located on the German Timber-Frame Road.-Economy:Einbeck is famous for its 600 year old beer brewery, home of Einbecker Bier, the origin for the term Bock beer...
, half of Hamelin
Hamelin
Hamelin is a town on the river Weser in Lower Saxony, Germany. It is the capital of the district of Hamelin-Pyrmont and has a population of 58,696 ....
, Clausthal, Amelungsborn, Duderstadt
Duderstadt
Duderstadt is a city in southern Lower Saxony, Germany, located in the district of Göttingen. It is the center and capital of the northern part of the Eichsfeld...
, Herzberg
Herzberg
Herzberg is German for "heart mountain" and may refer to:*places in Germany:**Herzberg am Harz, a town in the Osterode district, Lower Saxony**Herzberg, Brandenburg, a town in the Elbe-Elster district, Brandenburg...
, and Osterode
Osterode
The placename Osterode can refer to:* Osterode in Germany* Osterode am Harz in Germany* Ostróda in Poland * a district of the climatic spa Neustadt/Harz, Germany...
. Henry quarreled with his brother Albert, who had received the Principality of Göttingen
Principality of Göttingen
The Principality of Göttingen was a subdivision of the Duchy of Brunswick-Lüneburg in the Holy Roman Empire with Göttingen as its capital. It was split off from the principality of Brunswick in 1286 in the course of an estate division among members of the House of Welf...
, over the remaining belittled areas around Brunswick and Wolfenbüttel
Wolfenbüttel
Wolfenbüttel is a town in Lower Saxony, Germany, located on the Oker river about 13 kilometres south of Brunswick. It is the seat of the District of Wolfenbüttel and of the bishop of the Protestant Lutheran State Church of Brunswick...
, 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
Henry married AgnesAgnes of Meissen
Agnes of Meissen was a daughter of margrave Albrecht II "the degenerate" of Meissen and his wife Margaret of Sicily....
, daughter of Albert the Degenerate, Margrave of Meissen, in 1282. They had 16 children:
- Elizabeth (born c. 1282), married Frederick, Count of Beichlingen
- Otto (born c. 1283, died in or before 1309)
- Albert (born c. 1284, died after 1341), joined the Teutonic Order
- Adelaide (1285 – 1320), married King Henry I of BohemiaHenry I of BohemiaHenry VI of Carinthia from the House of Meinhardin was King of Bohemia in 1306 and again from 1307 until 1310 as well as Count of Tyrol and Duke of Carinthia and Carniola from 1295 until his death.-Life:...
- Facie (daughter; born c. 1286, died before or in 1312)
- Agnes, Abbess of Osterode (born c. 1287, died between 1332 and 1336)
- HenryHenry II, Duke of Brunswick-LüneburgHenry II, Duke of Brunswick-Lüneburg, , also called de Graecia or Henry the Peaceful, was the eldest son of Henry I, Duke of Brunswick-Lüneburg....
(born c. 1289, died before or in 1351) - Frederick (c. 1291 – c. 1323)
- Adelheid of BrunswickAdelheid of BrunswickIrene of Brunswick, born Adelheid, was the first wife of Andronikos III Palaiologos, and by marriage Empress of Constantinople, although she died before her husband became sole Emperor....
(c. 1293 – 17 August 1324), married Andronikos III PalaiologosAndronikos III PalaiologosAndronikos III Palaiologos, Latinized as Andronicus III Palaeologus was Byzantine emperor from 1328 to 1341, after being rival emperor since 1321. Andronikos III was the son of Michael IX Palaiologos and Rita of Armenia...
, Roman Emperor - Conrad (c. 1294 – c. 1320)
- Mechtild (c. 1295 – between 24 October 1333 and 14 March 1344), married John II of WerleJohn II of WerleJohn II, Lord of Werle[-Güstrow] nicknamed The Bald , was from 1309 to 1316 co-regent of Werle and from 1316 to 1337 Lord of Werle-Güstrow. He was the second eldest son of John I of Werle and Sophie of Lindau-Ruppin....
- ErnestErnest I, Duke of Brunswick-GrubenhagenErnest I of Brunswick-Grubenhagen was Prince of Brunswick-Grubenhagen.- Life :He was the son of Henry I, the Admirable and his wife Agnes, née Countess of Meissen. Henry the Admirable founded the Principality of Grubenhagen in 1291, after the Guelph princes had divided their inheritance...
(c. 1297 – 11 March 1361) - WilliamWilliam, Duke of Brunswick-GrubenhagenWilliam of Brunswick-Grubenhagen was a Prince of Brunswick-Grubenhagen.- Life :He was the third son of Duke Henry I "Mirabilis" of Brunswick-Grubenhagen and his wife Agnes, née Countess of Meissen. After his father's death in 1322, he ruled Grubenhagen jointly with his brothers, Henry II and...
(c. 1298 – 1360) - Richardis, Abbess of Osterode (born c. 1300, died between 1332 and 1336)
- Margaret (born c. 1300, died in or after 1312)
- JohnJohn I, Duke of Brunswick-GrubenhagenJohn I, Duke of Brunswick-Grubenhagen was provost of the St. Alexandri Minster in Einbeck.He was the son of Duke Henry I "the Marvelous" of Brunswick-Grubenhagen and his wife Agnes of Meissen, daughter of Margrave Albert II of Meissen....
, (born before 1322, died 23 May 1367), provost at EinbeckEinbeckEinbeck is a town in the district Northeim, in southern Lower Saxony, Germany. It is located on the German Timber-Frame Road.-Economy:Einbeck is famous for its 600 year old beer brewery, home of Einbecker Bier, the origin for the term Bock beer...