Frederick William I of Prussia (in German:Friedrich Wilhelm I), of the House of Hohenzollern (August 14, 1688 - May 31, 1740), often known as 'the Soldier-King', reigned as King of Prussia (1713 - 1740).
He acquired a reputation for his fondness for military display - leading to his special efforts to hire the tallest men he could find in all of Europe for a special regiment nicknamed Potsdam Giants.
His son, Frederick II, known as Frederick the Great, succeeded him as King of Prussia.
List of Kings of Prussia|
Frederick II (the Great)