|Magnus II, Duke of Brunswick-Lüneburg|
|Died||1373 (aged 48–49)|
|Spouse(s)||Catherine of Anhalt-Bernburg|
Magnus (1324–1373), called Magnus with the Necklace (Latin language: Magnus Torquatus) or Magnus II, was Duke of Brunswick-Lüneburg, ruling the Brunswick-Lüneburg principalities of Wolfenbüttel (colloquially also called Brunswick) and, temporarily, Lüneburg.
Magnus was the son of Magnus the Pious, Duke of Brunswick-Lüneburg (Wolfenbüttel). In 1362 Magnus and his brother Louis I, Duke of Brunswick-Lüneburg helped their brother Prince-Archbishop Albert II of Bremen to assert himself against the incumbent diocesan administrator Morris of Oldenburg, who claimed the see for himself. Magnus, Louis and the latter's father-in-law William II, Duke of Brunswick-Lüneburg (Celle), and their troops beleaguered Morris in the prince-archiepiscopal castle in Vörde and forced him to sign his resignation.
After the death of his brother Louis in 1367, Magnus became the designated heir of both ducal principalities, Wolfenbüttel and Celle (colloquially also Lüneburg). When both his father and William II, who ruled over Celle, died in 1369, Magnus gained both ducal principalities. But already in 1370, he lost Celle to the Ascanian dukes of Saxe-Wittenberg (Albert and his uncle Wenceslas, Elector of Saxe-Wittemberg), who had been given the principality by Charles IV, Holy Roman Emperor, who had also banned Magnus. Several cities, including Lüneburg (Lunenburg), Uelzen, and Hanover switched allegiance to the Ascanians; Magnus managed to keep the City of Braunschweig (Brunswick) among his allies only with difficulties. The Lüneburg War of Succession continued for several years after Magnus died in the Battle of Leveste (a part of today's Gehrden), near the Deister, on 25 July 1373.
Magnus married Catherine, daughter of Bernhard III, Prince of Anhalt-Bernburg, who married Magnus' enemy, Albert, Duke of Saxe-Wittenberg, after his death. They had the following children:
- Catherine Elizabeth married Gerhard II/VI, Duke of Schleswig/Count of Holstein-Rendsburg (ca. 1367 – 4 August 1404)
- Frederick I, Duke of Brunswick-Lüneburg (1357–1400), married Anna of Saxe-Wittenberg (died 1440)
- Bernard I, Duke of Brunswick-Lüneburg (died 1434), married Margaret of Saxony (before 1370 – 1418)
- Henry the Mild, Duke of Brunswick-Lüneburg (died 1416)
- Agnes I (died 1410), married Albert I, Duke of Brunswick-Lüneburg (1339–1383)
- Helen, married Eric I, Count of Hoya
- Elizabeth (died 1420), married Maurice IV, Count of Oldenburg (1380–1420)
- Agnes II (before 1356 – ca. 1416), married first Busso IV, Count of Mansfeld, then Bogislaw VI, Duke of Pomerania, and finally King Albert of Sweden
- Sophie (1358–by 28 May 1416), married Duke Eric IV of Saxe-Lauenburg on 8 April 1373.
- Maud (1370–??), married Otto III, Count of Hoya (died 1428)
- Otto, Archbishop of Bremen (ca. 1364–1406)
|Ancestors of Magnus II, Duke of Brunswick-Lüneburg|
Magnus II, Duke of Brunswick-Lüneburg
House of WelfBorn: 1324 Died: 25 July 1373
|Duke of Brunswick-Lüneburg
Prince of Lüneburg
Albert of Saxe-Wittenberg and
Wenceslas of Saxe-Wittenberg
Magnus the Pious
|Duke of Brunswick-Lüneburg
Prince of Brunswick-Wolfenbüttel
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