Claim: Oswestry Castle  (The castle was reclaimed by Madog ap Maredudd the Prince of Powys between 1149 and 1154, along with the lordship of the area, and the castle was the scene of a 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.