Stephen Devereux

Stephen Devereux (c. 1191 – 1228) was a powerful Marcher Lord, and held Lyonshall Castle controlling an important approach to the border of Wales. As a key member of William Marshal, 1st Earl of Pembroke retinue, he played a significant role in the Earl's support of King John during the First Barons' War, and during the minority of Henry III. Provided by Wikipedia