 By the end of the 13th century, Weil im Schönbuch, Breitenstein, and Neuweiler (mentioned for the first time in 1295) were almost completely within the territory of the Bebenhausen abbey.The night of May 11, 1525, the Swabian League army, under its leader George, Truchsess of Waldburg, camped in the Seitenbach and Totenbach dales.The next day it advanced on Böblingen, massacring thousands of peasants in the Battle of Böblingen, one of the bloodiest conflicts of the German Peasants' War.