1. King of Prussia from 1740 to 1786; brought Prussia military prestige by winning the War of the Austrian Succession and the Seven Years' War (1712-1786)
   - Frederick the Great
    
2. The Holy Roman Emperor who led the Sixth Crusade and crowned himself king of Jerusalem (1194-1250)
   - Holy Roman Emperor Frederick II

Type of: Holy Roman Emperor, king, male monarch, Rex

Encyclopedia: Frederick II, Holy Roman Emperor