There’s this excerpt about medieval university student‘s homelands:
>They affirmed that the English were drunkards and had tails; the sons of France proud, effeminate and carefully adorned like women. They said that the Germans were furious and obscene at their feasts; the Normans, vain and boastful; the Poitevins, traitors and always adventurers. The Burgundians they considered vulgar and stupid. The Bretons were reputed to be fickle and changeable, and were often reproached for the death of Arthur. The Lombards were called avaricious, vicious and cowardly; the Romans, seditious, turbulent and slanderous; the Sicilians, tyrannical and cruel; the inhabitants of Brabant, men of blood, incendiaries, brigands and ravishers; the Flemish, fickle, prodigal, gluttonous, yielding as butter, and slothful. After such insults from words they often came to blows.
https://sourcebooks.web.fordham.edu/source/vitry1.asp
Is it still accurate?