Frederick I, Duke of Brunswick-Osterode (-1421) was a son of Duke
Ernest I and his wife, Adelaide of Everstein-Polle. In 1361, he succeeded his father as Count of
Osterode.
He married Adelaide (d. before 1421), a daughter of
Bernhard V, Prince of Anhalt-Bernburg
Bernhard V, Prince of Anhalt-Bernburg (died 24 June 1420) was a German prince of the House of Ascania and ruler of the principality of Anhalt-Bernburg.
He was the eldest son of Henry IV, Prince of Anhalt-Bernburg, by his wife Sophie, a possible m ...
, and was the father of
Otto II
Otto II (955 – 7 December 983), called the Red (''der Rote''), was Holy Roman Emperor from 973 until his death in 983. A member of the Ottonian dynasty, Otto II was the youngest and sole surviving son of Otto the Great and Adelaide of Italy. ...
(1396-1452), who succeeded him.
1350 births
Year of birth uncertain
1421 deaths
Dukes of Brunswick-Lüneburg
14th-century German nobility
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