Famous ... for treachery towards us.
Ann Book I Chapter 55: War with the Germans. Arminius and Segestes

With his naturally furious temper
Ann Book I Chapter 59: War with the Germans. Speech of Arminius

Arminius in his infatuation and ignorance was taking to himself the glory which belonged to another, for he had treacherously surprised three unofficered legions and a general who had not an idea of perfidy, to the great hurt of Germany and to his own disgrace, since his wife and his son were still enduring slavery.
Ann Book II Chapter 46: War with the Germans. Maroboduus and Arminius (cont.)
By Marobodus