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 1399; all previous Princes of Wales also received the earldom, but separately from the title of Prince. Indeed, before 1272 a hereditary and not necessarily royal Earldom of Chester had already been created several times, eventually merging in the Crown each time. The earldom was recreated, merging in the Crown in 1307 and again in 1327. Its creations since have been associated with the creations of the Prince of Wales. On 31 October 1460, Richard of York was briefly created Prince of Wales and Earl of Chester, Duke of Cornwall and Lord Protector of England by an Act of Parliament