Slovincian language
Spoken language
Slovincian is an extinct language formerly spoken by the Slovincians living between lakes Gardno and Łebsko near Słupsk in Pomerania.
Slovincian is classified either as a language (first by Friedrich Lorentz), or as a Kashubian dialect or variant.... Wikipedia
Language families: Indo-European languages, Slavic languages, West Slavic languages, and more
Extinct: 20th century