Spanish, Romanian, and Catalan are all Indo-European languages classified within the Romance branch of Indo-European languages. English and German are both Indo-European languages classified within the Germanic branch of Indo-European languages. Basque, Finnish, and Hungarian are not Indo-European languages. Basque is a language isolate and is not known to be related to any other living language. Finnish and Hungarian are Uralic languages and are not related to the Indo-European languages.