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 titled Princess of Wales. There was also no Prince of Wales for the first several years of the reign of Elizabeth II. Prince Charles was not named Prince of Wales until 1958, when he was nine years old. The title of "Princess of Wales" has always been held by the Prince's wife in her capacity as spouse of the heir apparent and therefore future queen consort. The current Princess of Wales is Camilla, Duchess of Cornwall, who automatically assumed the title upon her legal marriage to Prince Charles. Camilla however has chosen not to be publicly known by the title