Wales Beaumaris, Caernarfon and Conwy. His son, the future Edward II, was born at Edward's new castle at Caernarfon in 1284. He became the first English Prince of Wales in 1301, which at the time provided an income from northwest Wales known as the Principality of Wales. The title is granted by the monarch to the heir apparent as a personal honour or dignity, and is not heritable, merging with the Crown on accession to the throne. After the failed revolt in 1294–95 of Madog ap Llywelyn – who styled himself Prince of Wales in the Penmachno Document – and the
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