the Duchy of Cornwall
/ðə ˌdʌtʃi əv ˈkɔːnwəl/
/ðə ˌdʌtʃi əv ˈkɔːrnwɑːl/
- the areas of land in the English county of Cornwall owned by the Duke of Cornwall. These were first given by King Edward III to his eldest son Edward the Black Prince in 1337. Since then the Duchy has always passed to the eldest son of the King or Queen.