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
Prince of Wales son (if and only if he is also the heir apparent) of the King or Queen Regnant of England (subsequently of Great Britain, 1707, and of the United Kingdom, 1801). That he is also the heir apparent is important. Following the death of Prince Arthur, the Prince of Wales, Henry VII invested his second son, the future Henry VIII, with the title—although only after it was clear that Arthur's wife, Catherine of Aragon, was not pregnant; when Frederick, Prince of Wales died while his father reigned, George II created Frederick's son George (the king's grandson and new heir apparent) Prince