 Complete the following phrase:  The castle property is mentioned in a cartulary in Champagne at the end of the 11th century, naming a member of the House of Bourbon rulers of Bourbonnais and a brother of Charles Martel. It then passed into the ownership of Pierre Barres and his brother, Guillaume, who won fame for their family by saving the French king at the Battle of Bouvines in 1214. Next, the Sully family, of the Loire Valley, came into possession of the castle for over a century in a period wherein the castle became an important base from which to harass the English during the Hundred Years War. After the French 