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
Henry Frederick, Prince of Wales Henry Frederick, Prince of Wales Henry Frederick, Prince of Wales (19 February 1594 – 6 November 1612) was the elder son of James VI and I, King of England and Scotland, and his wife, Anne of Denmark. His name derives from his grandfathers: Henry Stuart, Lord Darnley, and Frederick II of Denmark. Prince Henry was widely seen as a bright and promising heir to his father's thrones. However, at the age of 18, he predeceased his father when he died of typhoid fever. His younger brother Charles succeeded him as heir apparent to the English, Irish and Scottish thrones. Henry