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
Arthur, Prince of Wales mother. After Arthur was created Prince of Wales in 1490, he was awarded a household structure at the behest of his father. Over the next thirteen years, Henry VII and Elizabeth would have six more children, of whom only three—Margaret, Henry and Mary—would reach adulthood. Arthur was especially close to his sister Margaret (b. 1489) and his brother Henry (b. 1491), with whom he shared a nursery. On 29 November 1489, after being made a Knight of the Bath, Arthur was appointed Prince of Wales and Earl of Chester, and was invested as such at the Palace of Westminster on