Holbein's Celebrated Picture, Now Called 'The Ambassadors', Shown to be a Memorial of the Treaty of Nuremberg, 1532 ; and to Portray Those Princely Brothers, Counts Palatine of the Rhine, Otto Henry The Magnanimous and Philipp Defender of Vienna, who Shared the Governm. of the Duchy of Neuburg, and Dying, Closed the 'Elder Churfurst Line'.