Dead Man's Plack, which is located in England is dedicated to Ethelwald, Ealdorman of East Anglia. England is also home of the Cornish language which is still spoken.
[["Dead Man's Plack", 'LOCATION', 'England'], ["Dead Man's Plack", 'DEDICATED_TO', 'Æthelwald, Ealdorman of East Anglia'], ['England', 'LANGUAGES', 'Cornish language']]