With an iron hand Frederick fought against the rebellious nobility of the March of Brandenburg (in particular, the Quitzow family) and, in the end, restored security. Frederick also became a member of the Parakeet Society and of the League of Constance .
FREDERICK I. (c. 1371-1440), elector of Brandenburg, founder of the greatness of the House of Hohenzollern, was a son of Frederick V., burgrave of Nuremberg, and first came into prominence by saving the life of Sigismund, king of Hungary, at the battle of Nicopolis in 1396.
Frederick of Brandenburg was Prince-Archbishop of Magdeburg and Administrator of the Prince-Bishopric of Halberstadt.
Frederick of Brandenburg may refer to: Frederick I, Elector of Brandenburg (1371–1440) Frederick II, Elector of Brandenburg (1413–1471), son of previous Frederick I, Margrave of Brandenburg-Ansbach (1460-1536) Frederick of Brandenburg (1530–1552), Prince-Archbishop of Magdeburg Frederick IX, Margrave of Brandenburg (1588-1611)
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 William of Brandenburg-Schwedt (17 November 1700 – 4 March 1771) was a German nobleman. In his lifetime, from 1711 to 1771, he held the titles Prince in Prussia and Margrave of Brandenburg, with the style Royal Highness. He was made a knight of the Order of the Black Eagle .