Common Brittonic
Spoken language
Common Brittonic, also known as British, Common Brythonic, or Proto-Brittonic, is an extinct Celtic language spoken in Britain and Brittany. Wikipedia
Language families: Indo-European languages, Brittonic languages, and Insular Celtic languages
Era: c. 6th century BC to mid-6th century AD; Developed into Old Welsh, Cumbric, Cornish, Breton and probably Pictish
Ethnicity: Britons
Region: Great Britain