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
Coat of arms of the Prince of Wales May 1343. Legend holds that the Black Prince took the motto as well as the ostrich feathers from King John the Blind of Bohemia, who was killed fighting alongside the prince and his father at the Battle of Crécy in 1346. The motto is also a near homophone for "Eich Dyn", "Your Man" in Welsh. The Prince of Wales as part of his full achievement of arms has many Heraldic badges, which represents the history and sovereignty of his many titles. The Prince of Wales's feathers badge comprises "A plume of three ostrich feathers Argent enfiled by a royal coronet