 Complete the following phrase:  After the Bernese victory in the Battle of Laupen in 1339, the barons were forced to pledge the Unspunnen and Rotenfluh castles as part of the peace settlement. A few years later, in 1342, the Habsburgs redeemed this pledge and then pledged it on to their followers, including the lords of Interlaken, Hallwyl and Kyburg. During the 