1. Old English: This was the language spoken in England from around the 5th to 12th centuries. It is the ancestor of modern English and was influenced by Germanic languages such as Old Frisian and Old Saxon.
2. Old Norse: This was the language of the Vikings and was spoken in Scandinavia, Iceland, and parts of the British Isles. It is the ancestor of modern Icelandic, Faroese, Norwegian, Swedish, and Danish languages.
3. Old French: Spoken in France and parts of England, Old French was a Romance language that developed from Vulgar Latin and was the language of literature, law, and administration. It is the ancestor of modern French.
4. Old German: Encompassing various dialects, Old German was spoken in the region that today includes Germany, Austria, Switzerland, and parts of the Netherlands and Eastern Europe. It eventually evolved into modern German.
5. Old Italian: This was the vernacular language of Italy and is the ancestor of modern Italian. It was influenced by Latin and various regional dialects.
6. Old Spanish: The precursor to modern Spanish, Old Spanish was spoken in the Iberian Peninsula and was influenced by Latin, Visigothic, and Arabic languages.
7. Old Portuguese: Spoken in Portugal, Old Portuguese developed from Vulgar Latin and was the forerunner of modern Portuguese.
These vernacular languages coexisted alongside Latin, which was primarily used for religious, scholarly, and diplomatic purposes throughout much of Europe during the medieval period. Latin was the language of the Church, universities, and international communication. However, over time, vernacular languages gained prominence and gradually replaced Latin as the primary means of communication in literature, administration, and everyday life.