Jèrriais

Jèrriais is one of the Romance languages, related Norman French, and the languages of Guernesiais, Sercquiais, and Auregnais. The Normans occupied the islands of Jersey, Guernsey, and Alderney in the 10th century, and Jèrriais, Guernesiais, Sercquiais, and Auregnais diverged from the 10th century Norman French of the occupiers.

Norman French, Jèrriais, Guernesiais, Sercquiais, and Auregnais are langues d'oïl, like the modern French language. In the middle ages, when royal authority over the rest of France was weak, and the authority of the Dukes and other nobles was strong, a constellation of related Romance languages were spoken across the country. langue d'òc, like Catalan, were spoken in the south.