Swabia

Rulerfromto Dynasty
   909 Duchy of Germany until 1313
Dukes of Swabia
 Liudolf 950 - 954von Sachsen 
   Otto I 973 - 982  
   Otto II 1045 - 1047Ezzonen 
   Otto III 1048 - 1057Named Duke by Emperor Heinrich III after the death of Otto II.von Schweinfurt 
   Rudolf 1057 - 1079von Rheinfelden