The County of Brunswick was a county in the medieval

Duchy of Saxony The Duchy of Saxony () was originally the area settled by the Saxons in the late Early Middle Ages, when they were subdued by Charlemagne during the Saxon Wars from 772 CE and incorporated into the Carolingian Empire (Francia) by 804. Upon the 84 ...

. It existed from about the 9th century until 1235, when it was raised to a duchy, the Duchy of Brunswick-Lüneburg. The County developed out of the possessions of the Brunonen dynasty centered on the town of Brunswick and was enlarged by the inheritances of Henry the Fat of Northeim around

Northeim Northeim (; ) is a town in Lower Saxony, Germany, seat of the Northeim (district), district of Northeim, with a population of 30,118 as of 31 December 2023. It lies on the German Half-Timbered House Road. History Northeim is first mentioned in ...

and

Göttingen Göttingen (, ; ; ) is a college town, university city in Lower Saxony, central Germany, the Capital (political), capital of Göttingen (district), the eponymous district. The River Leine runs through it. According to the 2022 German census, t ...

and a part of the

Billung The House of Billung was a dynasty of Saxon noblemen in the 9th through 12th centuries. The first known member of the house was Count Wichmann, mentioned as a Billung in 811. Oda, the wife of Count Liudolf, oldest known member of the Liudol ...

inheritance around

Lüneburg Lüneburg, officially the Hanseatic City of Lüneburg and also known in English as Lunenburg, is a town in the German Bundesland (Germany), state of Lower Saxony. It is located about southeast of another Hanseatic League, Hanseatic city, Hambur ...

, which fell to the House of Welf in 1106. When the Duchy of Saxony was reorganized in 1180, the County became de facto independent from the Duchy, since the new

Ascanian The House of Ascania () was a dynasty of German rulers. It is also known as the House of Anhalt, which refers to its longest-held possession, Anhalt. The Ascanians are named after Ascania (or Ascaria) Castle, known as ''Schloss Askanien'' in ...

dukes could not establish control over it. In 1203, the three sons of Duke

Henry the Lion Henry the Lion (; 1129/1131 – 6 August 1195), also known as Henry III, Duke of Saxony (ruled 1142-1180) and Henry XII, Duke of Bavaria (ruled 1156-1180), was a member of the Welf dynasty. Henry was one of the most powerful German princes of ...

divided the county among themselves;

Henry Henry may refer to: People and fictional characters * Henry (given name), including lists of people and fictional characters * Henry (surname) * Henry, a stage name of François-Louis Henry (1786–1855), French baritone Arts and entertainmen ...

received the western part including Hannover and Göttingen,

William William is a masculine given name of Germanic languages, Germanic origin. It became popular in England after the Norman Conquest, Norman conquest in 1066,All Things William"Meaning & Origin of the Name"/ref> and remained so throughout the Middle ...

received the area around Lüneburg, and King Otto IV the area around Braunschweig. The independence of Brunswick was recognized when it was raised to the Duchy of Brunswick-Lüneburg in 1235, which would exist until 1918.

Counts

''For later rulers, see

Duchy of Brunswick-Lüneburg The Duchy of Brunswick and Lüneburg (), commonly known as the Duchy of Brunswick-Lüneburg or Brunswick-Lüneburg, was an imperial principality of the Holy Roman Empire in the territory of present day Lower Saxony. In 1235, Otto I, Duke of ...

.'' ''The list may be incomplete.''

Brunonen dynasty

* Brun I (in office before 991, died 1015/16) * Liudolf (died 1038) * Brun II (died 1057) * Ekbert I (died 1068) * Ekbert II (died 1090)

Northeim dynasty

* Henry the Fat (died 1101)

Süpplingenburg dynasty

* Lothair (died 1137)

Welf dynasty

Henry the Proud Henry the Proud () (20 October 1139), a member of the House of Welf, was Duke of Bavaria (as Henry X) from 1126 to 1138 and Duke of Saxony (as Henry II) as well as Margrave of Tuscany and Duke of Spoleto from 1137 until his death. In ...

(died 1139) *

(deposed 1180, died 1195) * Jointly: ** William of Winchester (died 1215) **

Otto IV, Holy Roman Emperor Otto IV (1175 – 19 May 1218) was the Holy Roman Emperor from 1209 until his death in 1218. Otto spent most of his early life in England and France. He was a follower of his uncle Richard the Lionheart, who made him Count of Poitou in 1196 ...

(died 1218) **

Henry V, Count Palatine of the Rhine Henry V, the Elder of Brunswick (; – 28 April 1227), a member of the House of Welf, was Count Palatine of the Rhine from 1195 until 1212. Life Henry was the eldest son of Henry the Lion, Duke of Saxony and Bavaria and Matilda, the eldest ...

(died 1227) * Otto the Child (raised to duke in 1235)

References

* {{Authority control Brunswick Brunswick History of Brunswick Brunswick