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
Coronet of Charles, Prince of Wales which was held at Caernarfon Castle on 1 July 1969. Coronets of Princes of Wales have been rarely used. The Coronet of Frederick, Prince of Wales was never actually worn by Frederick; and the Coronet of George, Prince of Wales was only worn rarely by George, later King George V, and by Edward, later King Edward VIII. The current Prince of Wales has not worn his coronet since his investiture; the coronet was carried before him when he took his seat in the House of Lords in 1970. The coronet was loaned to the National Museum and Gallery of Wales