Otto I, Duke of Brunswick-Lüneburg

German duke (c. 1204–1252)

Died
1252
Otto I of Brunswick-Lüneburg, a member of the House of Welf, was the first duke of Brunswick-Lüneburg from 1235 until his death. He is called Otto the Child to distinguish him from his uncle, Emperor Otto IV.

Read more on Wikipedia ?

Events associated with Otto I, Duke of Brunswick-Lüneburg