Description
Steel engraving of Frederick ( 21 September 1371 - 20 September 1440 ) was the last Burgrave of Nuremberg from 1397 to 1427 ( as Frederick VI ) At the Council of Constance ( 30 April 1415 ) Sigismund granted Frederick the titles of Margrave and Prince-elector of Brandenburg. Original edition from my own archives Source : "Allgemeine Weltgeschichte" 1898