Edward the Black Prince Margaret, daughter of Philip III of France, and widow of Thomas lord Holland, and in right of his wife earl of Kent, then in her thirty-third year, and the mother of three children. As the prince and the countess were related in the third degree, and also by the spiritual tie of sponsorship, the prince being godfather to Joan's elder son Thomas, a dispensation was obtained for their marriage from Pope Innocent VI, though they appear to have been contracted before it was applied for. The marriage was performed at Windsor, in the presence of King Edward III, by Simon
Prince of Wales regard as having been the last native Prince. On 16 September 1400, he was proclaimed Prince of Wales by his supporters, and held parliaments at Harlech Castle and elsewhere during his revolt, which encompassed all of Wales. It was not until 1409 that his revolt in quest of Welsh independence was suppressed by Henry IV. The tradition of conferring the title "Prince of Wales" on the heir apparent of the monarch is usually considered to have begun in 1301, when King Edward I of England invested his son Edward of Caernarfon with the title at a Parliament held in Lincoln.