"Frederick II (German: Friedrich II.; 24 January 1712 ? 17 August 1786) was King in Prussia (1740?1786) of the Hohenzollern dynasty. He is best known for his brilliance in military campaigning and organization of Prussian armies. He became known as Frederick the Great (Friedrich der Große) and was nicknamed Der Alte Fritz ("Old Fritz"). He was a grandson of George I of Great Britain, and a nephew of George II."--Wikipedia.