 Starting 1320 the castle and its surrounding areas came increasingly under the domination of the House of Württemberg.The Schmalensteiners who were related by marriage to the Lords of Straubenhardt and who also lived at the fortress, therefore joined a Federation of the Knights under the leadership of Wolf von Eberstein.In 1367 the Federation of the Knights committed an assault on Count Eberhard II of Württemberg while he was staying in Wildbad".