William (c. 1270 – 30 September 1292, in Brunswick), Duke of Brunswick-Lüneburg, briefly ruled part of the duchy. William was the third son of

Albert I, Duke of Brunswick-Lüneburg Albert the Tall ( lat, Albertus Longus, german: Albrecht der Große; 1236 – 15 August 1279), a member of the House of Welf, was Duke of Brunswick-Lüneburg from 1252 and the first ruler of the newly created Principality of Brunswick-Wolfenbü ...

. On Albert's death on 1279, the three eldest brothers succeeded him, but were put under guardianship of Conrad,

Prince-Bishop of Verden This is a list of bishops, prince-bishops, and administrators of Verden. The Catholic Diocese of Verden (german: link=no, Bistum Verden), was a suffragan of the Archdiocese of Mainz. From the 12th century, the Bishop of Verden was also, ''ex offi ...

. After they reached majority, they divided the territory among each other in 1291: William received the northern part of their father's state, including Brunswick,

Schöningen Schöningen is a town of about 11,000 inhabitants in the district of Helmstedt, in Lower Saxony, Germany. Geography The town is located on the southeastern rim of the Elm hill range, near the border with the state of Saxony-Anhalt. In its curren ...

, the

Harzburg The Harzburg, also called Große Harzburg ("Great Harz Castle"), is a former imperial castle, situated on the northwestern edge of the Harz mountain range overlooking the spa resort of Bad Harzburg in Goslar District in the state of Lower Saxony ...

Seesen Seesen is a town and municipality in the Goslar (district), district of Goslar, in Lower Saxony, Germany. It is situated on the northwestern edge of the Harz mountain range, approx. west of Goslar. History The Duchy of Saxony, Saxon settlement ...

, and

Königslutter Königslutter am Elm is a town in the district of Helmstedt in Lower Saxony, Germany. Geography It is located on the northeastern slopes of the Elm hill range, within the Elm-Lappwald Nature Park, about east of Brunswick, west of the distric ...

. The brothers disagreed over control of the City of Brunswick. Only a year later, William died, and his brothers divided his territory among each other. He had married Elizabeth, daughter of

Henry I, Landgrave of Hesse Henry I of Hesse "the Child" (German: ''Heinrich das Kind'') (24 June 1244 – 21 December 1308) was the first Landgrave of Hesse. He was the son of Henry II, Duke of Brabant and Sophie of Thuringia. Life In 1247, as Heinrich Raspe, Landg ...

, but the marriage apparently remained childless.

References

* Braunschweigisches Biographisches Lexikon, Appelhans 2006, {{DEFAULTSORT:William I, Duke Of Brunswick-Luneburg 1292 deaths Dukes of Brunswick-Lüneburg Year of birth uncertain Old House of Brunswick