Lutherian is a language of the micronation of Aragonia and Judania
and consists of Russian, Czech, Polish, Croatian, Serbian, Bulgarian, Esperanto, Italian, Interslavic, Spanish, German, Lithuanian, Latvian, Indian languages such as sanskrit and Punjabi, Turkish, And Arabic.
It evolved from its former language of Slavika
The oldest language in europe, dated to about 5000 BCE
Which was the father of lithuanian and many modern slavic languages.