Owain Glyndŵr were leaving their studies to join Owain, and Welsh labourers and craftsmen were abandoning their employers in England and returning to Wales. Owain could also draw on Welsh troops seasoned by the English campaigns in France and Scotland. Hundreds of Welsh archers and experienced men-at-arms left English service to join the rebellion. In 1404, Owain held court at Harlech and appointed Gruffydd Young as his Chancellor. Soon afterwards, he called his first Parliament (or or "gathering") of all Wales at Machynlleth, where he was crowned Prince of Wales and announced his national programme. He declared his vision of an independent
Wiston Castle acquired from the Welsh, Henry I of England sought to colonise the surrounding area by settling Flemish in Rhos and Deugleddau, in the neighbourhood of Haverfordwest. One of these Flemish barons was named Wizo, and he was granted land that had previously belonged to a Welsh lord, and on this he built Wiston Castle. The name of the castle derives from his name. In 1147, the Welsh led by Hywel ab Owain captured Wiston, now under control of Wizo's son Walter fits Wizo, but the Flemings soon got it back. In 1193, it was captured by the Welsh again, and