Johann Peter Friedrich Ancillon was a Prussian historian and statesman. He provided Frederick William III of Prussia with strong ideological support against political reforms that might restrain monarchical power.
Friedrich Ancillon
Frederick William III of Prussia
Frederick William III was King of Prussia from 16 November 1797 until his death in 1840. He was concurrently Elector of Brandenburg in the Holy Roman Empire until 6 August 1806, when the empire was dissolved.
Copy of a portrait by Franz Krüger, 1837
Frederick William and his mother (1775)
Lenient and slow to recognize the growing French threat, Frederick William's restrained entry into the war in 1806 ended in defeat and humiliation for Prussia.
Equestrian portrait of Frederick William III by Franz Krüger (1831)