 Moving into Sussex, Henry was confronted by de Montfort, who had led his army out from London in pursuit.In the Battle of Lewes on 14 May 1264, Henry was defeated and taken prisoner by de Montfort, along with his son Prince Edward and his brother, Richard of Cornwall.While Henry was reduced to a figurehead king, de Montfort broadened parliamentary representation to include groups beyond the nobility, members from each county of England and many important towns.