John, Margrave of Brandenburg-Kulmbach (b. 1406)
John, nicknamed the Alchemist (German: Johann der Alchimist; 1406 – 16 November 1464) 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.