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Frederick II, Elector of Brandenburg

Frederick II, Elector of Brandenburg

Prince-elector of the Margraviate of Brandenburg from 1440
The basics
Quick Facts
Intro Prince-elector of the Margraviate of Brandenburg from 1440
A.K.A. Frederick II of Brandenburg, the Iron, Irontooth, Friedrich II
Gender male
Birth 19 November 1413 (Tangermünde)
Death 10 February 1471 (Neustadt an der Aisch)
Mother: Elisabeth of BavariaElectress of Brandenburg
Father: Frederick IElector of Brandenburg
Siblings: JohnMargrave of Brandenburg-KulmbachAlbrecht III AchillesElector of BrandenburgFrederick of AltmarkElisabeth of BrandenburgDuchess of Brzeg-Legnica and CieszynMargaret of BrandenburgCecilia of BrandenburgMagdalene of BrandenburgDorothea of BrandenburgDuchess of Mecklenburg
Spouse: Catherine of SaxonyElectress of Brandenburg
Children: Dorothea of BrandenburgDuchess of Saxe-LauenburgMargaret of Brandenburg
The details

Frederick II of Brandenburg (German: Friedrich II.) (19 November 1413 – 10 February 1471), nicknamed "the Iron" (der Eiserne) and sometimes "Irontooth" (Eisenzahn), was a Prince-elector of the Margraviate of Brandenburg from 1440 until his abdication in 1470, and was a member of the House of Hohenzollern.


Frederick II was born in Tangermünde to Frederick I, Brandenburg's first Hohenzollern ruler, and his wife Elizabeth, daughter of Frederick, Duke of Bavaria-Landshut, and Maddalena Visconti. The latter was a daughter of Bernabò Visconti and Beatrice della Scala. As the second son, his brothers included John the Alchemist and Albert Achilles, both of whom also ruled Brandenburg as margraves.

In 1421, at age 8, Frederick was betrothed to Princess Jadwiga of Lithuania, but she died on 8 December 1431, before the marriage could take place, purportedly poisoned by her stepmother Sophia of Halshany.

When Frederick I retired in 1437, he compensated his incapable eldest son John with the Principality of Bayreuth while Frederick II assumed the government of Brandenburg. Unlike his father, he turned away from imperial politics and concentrated on his efforts to pacify the nobility and towns of the electorate. Quarrels with the city of Berlin began in 1440 with his plans to build a new residence on the Cölln island of the Spree river. In 1448 the Berliner Unwille (indignation) against the cession of the city's territory for an electoral stronghold culminated in open revolt, when the citizens flooded the excavation of the future Stadtschloss. Nevertheless, Frederick II prevailed, had the palace built and the city's rights decisively curtailed.

In 1454 and 1455, he concluded the Treaties of Cölln and Mewe and thereby re-gained the Neumark (New March) from the Teutonic Order state. Weary of the long struggle with the Duchy of Pomerania, he abdicated in 1470 in favour of his younger brother Albert Achilles, he retired to the Bayreuth Principality and died one year later in Neustadt an der Aisch.

Family and children

On 11 June 1441, Frederick II married Catherine of Saxony (1421 – August 23, 1476), a daughter of Elector Frederick I of Saxony and Katharina of Brunswick-Lüneburg. They had four children:

  • Dorothea of Brandenburg (c. 1446 – March, 1519), married Duke John V of Saxe-Lauenburg on 12 February 1464.
  • Margaret of Brandenburg (c. 1450 – 1489), married Bogislaw X, Duke of Pomerania.
  • Johan of Brandenburg (December 23, 14{06-16} - 1454)
  • Erasmus von Brandenburg (c. 1452 - 1465).


Frederick II, Elector of Brandenburg
House of Hohenzollern
Born: 19 November 1413 Died: 10 February 1471
Regnal titles
Preceded by
Frederick I
Elector of Brandenburg
Succeeded by
Albert III Achilles

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