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
Investiture of the Prince of Wales now in the investitures of Princes of Wales only. Also part of the insignia are a ring, a girdle, a sword and a robe. It is recorded that Llywelyn ap Gruffudd had deposited his coronet along with his other regalia with the monks at Cymer Abbey for safekeeping at the start of his final campaign in 1282. He was killed later that year. It was seized and presented to King Edward I of England as a token of the complete annihilation of the independent Welsh state. Frederick, Prince of Wales, later had the Coronet of Frederick, Prince of Wales, made