Prince of Wales Nations. The wife of the Prince of Wales is entitled to the title Princess of Wales. Prince Charles's first wife, Diana, used that title but his second wife, Camilla, uses only the title Duchess of Cornwall (or of Rothesay when in Scotland) because the other title has become so popularly associated with Diana. The Prince of Wales is the heir apparent of the monarch of the United Kingdom. No formal public role or responsibility has been legislated by Parliament or otherwise delegated to him by law or custom, either as heir apparent or as Prince of Wales. The current Prince
Charles, Prince of Wales Wales, Scotland, Cornwall, and Canada, and throughout the entire United Kingdom when the prince is acting in an official capacity associated with the UK Armed Forces. The personal flag for use in Wales is based upon the Royal Badge of Wales (the historic arms of the Kingdom of Gwynedd), which consist of four quadrants, the first and fourth with a red lion on a gold field, and the second and third with a gold lion on a red field. Superimposed is an escutcheon Vert bearing the single-arched coronet of the Prince of Wales. In Scotland the personal banner used since