Claim: Oswestry Castle ( was reclaimed by Madog ap Maredudd the prince of Powys between 1149 and 1154, and the castle was used as a scene of Parliament held by Richard II in 1398.
Evidence: The castle was reclaimed by Madog ap Maredudd the Prince of Powys between 1149 and 1154, along with the lordship of the area. The castle was the scene of a parliament held by Richard II in 1398.