What is Otto the Strict?
{{Infobox noble |name = Otto II the Strict |title = Duke of Brunswick-Lüneburg |image = [[File:Bomann-Museum Skulptur Otto II. der Strenge, Herzog zu Braunschweig und Lüneburg, Duke of Brunswick-Lüneburg 1277-1330, mit von der Schmalstieg-GmbH restauriertem Schloss Celle.jpg|250px]] |caption = Otto the Strict, sculpture at the Bomann-Museum in [[Celle]] |succession = [[Principality of Lüneburg|Duke of Brunswick-Lüneburg<br>Prince of Lüneburg]] |reign = 1277 — 1330 |predecessor = [[John, Duke of Brunswick-Lüneburg|John]] |successor = [[Otto III, Duke of Brunswick-Lüneburg|Otto III]]<br>[[William II, Duke of Brunswick-Lüneburg|William II]] |reg-type = Regent<ref>Administrators to the duchy</ref> |regent = [[Albert I, Duke of Brunswick-Lüneburg]] (until 1279)<br>Conrad (1279–1282) |birth_date = {{circa| about 1266}} |death_date = 10 April 1330 |noble family = [[House of Welf|House of Guelph]] |spouse = {{marriage|Matilda of Bavaria <small>(died 1319)</small>|1288|1319|end=d.}} |issue = [[Otto III, Duke of Brunswick-Lüneburg]]<br>[[William II, Duke of Brunswick-Lüneburg]] |issue-link = #Issue |issue-pipe = among others… |father = [[John, Duke of Brunswick-Lüneburg]] |mother = Liutgard of Holstein |burial_place = St Michael's, Lüneburg }} '''Otto II, Duke of Brunswick-Lüneburg''' ({{circa|1266}} – 10 April 1330), also known as '''Otto the Strict''' (''Otto der Strenge''),<ref>Some sources: Otto the Severe or Otto the Strong.</ref> came from the [[House of Welf|House of Guelph]] and was [[Prince of Lüneburg]] from 1277 to 1330. ==Biography== Otto was born at about 1266, he was the son of [[John, Duke of Brunswick-Lüneburg]] (died 1277) and ''Duchess'' Liutgard of Holstein. As he was only ({{circa}}) 11, Otto was very young when his father. But he was the [[inheritance|heir]] of the duchy, so, the ''administration'' of the duchy firstly went to his uncle Duke [[Albert I, Duke of Brunswick-Lüneburg|Albert]] (died 1279). After Albert died, it went to his other uncle, [[Conrad I of Brunswick and Lunenburg|Conrad I]], [[L