Both frederick william i and frederick ii stressed service to the

Both Frederick William 1 and Frederick ii stressed service to the "king and enlarged the Prussian army".

Frederick William I, known as the "Warrior Ruler", was the Lord in Prussia and Elector of Brandenburg from 1713 until his demise in 1740 and in addition the father of Frederick the Great. Frederick William II was Lord of Prussia from 1786 until his passing.