Saxony

Rulerfromto Dynasty
   804 Duchy of Germany until 1803
Dukes of Saxony
 Liudolf 850? - 852Liudolfinger 
   Brun 852? - 880Killed fighting the Vikings 
   Otto I the Illustrious 880? - 912Liudolfinger 
   Heinrich I the Fowler 912 - 936von Sachsen 
   Otto II the Great 936 - 961  
Margraves of Saxony
 Hermann 956? - 973Entrusted with the royal lands in Saxony by the emperor Otto II, Hermann never really held the title Duke.Billunger 
Dukes of Saxony
 Bernhard I 973 - 1011Billung 
   Bernhard II 1011 - 1059  
   Ordulf 1059 - 1072  
   Magnus 1072 - 1106  
   Lothar 1106 - 1137Given the duchy by Emperor Heinrich V after the death of Duke Magnus without heir.Supplinburger 
   Johann I 1260 - 1272?Johann and Albrecht divided the Duchy into Saxe-Lauenburg and Saxe Wittenberg sometime after 1272.Askanier 
Dukes of Saxe-Lauenburg
 Johann I 1272? - 1285