Duchy of Swabia
The Margraviate of Baden had detached itself from the Duchy of Swabia in the 12th century under the House of Zähringen. The Zähringer were extinct in 1218, with the death of Berthold V, Duke of Zähringen, to the benefit of the House of Baden, represented by Herman V, Margrave of Baden-Baden (r. 1190–1243).