The West Frisian languages are a group of closely related, though not mutually intelligible, Frisian languages of the Netherlands.
Due to the marginalization of all but mainland West Frisian, they are often portrayed as dialects of a single language.
(See that article for the history of the languages.)
Not all West Frisian varieties spoken in Dutch Friesland are mutually intelligible.
The varieties on the islands are rather divergent, and Glottolog distinguishes four languages:[1] This article about Germanic languages is a stub.