illiam Herbert was the son of William ap Thomas, both of whom owned Raglan Castle. William Herbert, like his father came into wealth by taking an active role in supporting the Kings of their time. William Herbert supported King Edward IV during the Wars of the Roses and was to become Earl of Pembroke in recognition of his achievements. He was knighted in 1452, fought with Edward at Mortimer's Cross and after the victory was made chief
justice of south Wales as well as Baron
Herbert of Raglan. In 1462 he became a knight
of the garter, and in 1467 chief justice of north Wales. It was at Raglan and into the care of William Herbert and his wife that the welfare of Henry (VII) the future King of England was placed. William and his brother Richard were captured at the battle of Edgecote and executed.