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.

From Wikipedia (CC BY-SA 4.0).

Also known as Otto I

Key facts

Occupation: aristocrat
Citizenship: Germany
Born: 1204
Died: June 9, 1252

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Overview

From Wikipedia (CC BY-SA 4.0).