Otto the Mild (24 June 1292 – 30 August 1344), Duke of Brunswick-Lüneburg, ruled over the Brunswick part of the duchy. Otto was the eldest son of Albert II, Duke of Brunswick-Lüneburg. Otto and his brothers succeeded on their father's death in 1318; he served as his brothers' guardian while they were not of age. In 1323, he acquired the

Altmark :''See German tanker Altmark for the ship named after Altmark and Stary Targ for the Polish village named Altmark in German.'' The Altmark (; English: Old MarchHansard, ''The Parliamentary Debates from the Year 1803 to the Present Time ...'', Vo ...

from

Brandenburg Brandenburg, officially the State of Brandenburg, is a States of Germany, state in northeastern Germany. Brandenburg borders Poland and the states of Berlin, Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony. It is the List of Ger ...

as an inheritance of his wife's; but he sold it in 1343, when he failed to establish control there. Otto died in 1344 in

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 was succeeded by his brothers.

Family

Firstly, Otto married Jutta (died 1317), daughter of

Henry I, Landgrave of Hesse Henry I of Hesse "the Child" (German language, German: ''Heinrich das Kind'') (24 June 1244 – 21 December 1308) was the first Landgrave of Landgraviate of Hesse, Hesse. He was the son of Henry II, Duke of Brabant, Henry II, Duke of Duchy ...

. Secondly, he married Agnes (1297–1334), daughter of Herman, Margrave of Brandenburg-Salzwedel, in 1319. From the first marriage, he had one daughter: Agnes (died 1371).

References

* ''Braunschweigisches Biographisches Lexikon'', Appelhans 2006, {{DEFAULTSORT:Otto The Mild, Duke Of Brunswick-Luneburg 1292 births 1344 deaths Dukes of Brunswick-Lüneburg Old House of Brunswick Burials at Brunswick Cathedral