3rd Earl of Pembroke, Marshall of England, Crusader, Regent for Henry III 1216-1219, called "The Great Knight".
His Earldom gave him large estates in Wales and Ireland. He remained true to King John through the Baron's Wars and was one of the King' Executors. He was succeeded in the Earldom by each of his five sons, all of whom died without children, but each of his five daughters married and left descendants.