MW> If you were looking for "dead languages" and conlangs, that would MW> exclude Breton, Faroese, Latvian, Kashubian, and Nynorsk (Nynorsk is MW> basically an official codification of rural SW Norwegian speech forms, MW> it can hardly be considered a conlang).
Kashubian is not a dead language. There are still many native speakers in Kashubia.