The Bertolds built a wave of castles in this duchy, which was ruled by the Houses of Babenberg and the Conradines before being taken over by two lines of the Hohenstaufens and Rudolf II of Hapsburg.
This region was once home to an alliance formed beteween 22 cities and a group known as the League of St. George's Shield. An earlier alliance of knights in this polity called itself the Schleglerbund and this region would later give its name to an administrative district known as its namesake Kreis, or "circle." One ruler of this region defeated an opponent at the Battle of Wahlwies, was the patriarch of the Ahalolfinger, and formed an alliance with the bishop Solomon III before being executed in 917. Another ruler of this region attempted to invade Italy but was stymied by Otto I, who secured the crowns of Lombardy and this region. This region gave its name to several alliances, the most famous being a 1376 league formed against German princes by 14 cities under the leadership of Ulm and Constanz. The Bertolds built a wave of castles in this duchy, which was ruled by the Houses of Babenberg and the Conradines before being taken over by two lines of the Hohenstaufens and Rudolf II of Hapsburg. For 10 points, name this successor state to Alemannia, which together with Franconia, Saxony, Bavaria, and Lotharingia was one of the five great "stem" duchies of medieval Germany.
This region was once home to an alliance formed beteween 22 cities and a group known as the League of St. George's Shield.
{Swabia} [prompt on {Alemmania}]