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
Coat of arms of the Prince of Wales of alternate crosses and fleur-de-lys Or" with the motto 'Ich Dien' on a dark blue ribbon. The badge is probably the most recognisable element of the Prince of Wales's coat of arms. It has become synonymous as a personal insignia of the prince and also of the Principality of Wales itself. In a personal capacity the badge is granted as a Royal Warrant of Appointment to companies that regularly supply of goods and services to the Prince. Currently there are 170 companies which are entitled to display this badge with the words 'By Appointment to HRH The Prince of Wales'