Frederick II of Brandenburg, nicknamed "the Iron" 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.
Statue by Alexander Calandrelli, 1898, former Siegesallee, Berlin
Coin minted during the reign of Frederick II, c. 1463-70
John, nicknamed the Alchemist was a Margrave of Brandenburg-Kulmbach and served as the peace-loving Margrave of Brandenburg after the abdication of his father, Frederick I, the first member of the House of Hohenzollern to rule Brandenburg.