Friedrich II the Great with his Brother Heinrich Prince of Prussia (1726-1803) and his nephew Friedrich Wilhelm II, King of Prussia (1744-1797) - after an anonymous miniature in 1770. Friedrich II - (24 January 1712 - 17 August 1786) was a King of Prussia (1740 - 1786) from the Hohenzollern dynasty. In his role as a prince-elector of the Holy Roman Empire, he was Frederick IV (Friedrich IV) of Brandenburg. He became known as Frederick the Great (Friedrich der Gro絽) and was nicknamed der alte Fritz ("Old Fritz"). 固opFoto