Otto II, Duke of Brunswick-Osterode
Born	1396
Died	1452
Noble family	House of Guelph
Spouse(s)	Schonetta of Nassau-Weilburg
Father	Frederick I, Duke of Brunswick-Osterode
Mother	Adelaide of Anhalt-Zerbst

Duke Otto II of Brunswick-Osterode (1396–1452) was a son of Duke Frederick I of Brunswick-Osterode and his wife, Adelaide of Anhalt-Zerbst. He succeeded his father as duke of Brunswick-Osterode in 1421 and ruled jointly with his first cousin once removed Albert II.

Otto was married to Schonetta (d. 1436), a daughter of Count John I of Nassau-Weilburg. This marriage was childless.

Ancestors

Ancestors of Otto II, Duke of Brunswick-Osterode

16. Albert I, Duke of Brunswick-Lüneburg

8. Henry I, Duke of Brunswick-Grubenhagen

17. Adelheid of Montferrat

4. Ernest I, Duke of Brunswick-Grubenhagen

18. Albert II, Margrave of Meissen

9. Agnes of Meissen

19. Margaret of Sicily

2. Frederick I, Duke of Brunswick-Osterode

20. Otto of Everstein-Polle

10. Henry II of Everstein=Polle

21. Luitgard of Schladen

5. Adelaide of Everstein-Polle

22. Simon I, Lord of Lippe

11. Adelaide of Lippe

23. Adelaide of Waldeck

1. Otto II, Duke of Brunswick-Osterode

24. Albert I, Prince of Anhalt-Zerbst

12. Albert II, Prince of Anhalt-Zerbst

25. Agnes of Brandenburg-Stendal

6. John II, Prince of Anhalt-Zerbst

26. Rudolf I, Duke of Saxe-Wittenberg

13. Beatrix of Saxe-Wittenberg

27. Kunigunde of Poland

3. Adelaide of Anhalt-Zerbst

28. Berthold VII, Count of Henneberg-Schleusingen

14. John I of Henneberg-Schleusingen

29. Adelaide of Hesse

7. Elisabeth of Henneberg-Schleusingen

30. Ulrich I, Landgrave of Leuchtenberg

15. Elisabeth of Leuchtenberg

31. Anna of Zollern-Nuremberg

Otto II, Duke of Brunswick-Osterode House of GuelphBorn: 1396 Died: 1452 Preceded byFrederick I Duke of Brunswick-LüneburgPrince of Osterode 1421–1452 Succeeded byAlbert II