Belgium

Rulerfromto Dynasty
   900 Duchy of France until 923
   923 Duchy of Germany until 1190
Dukes of Lower Lorraine
 Charles 976 - 991Carolingian 
   Otton 992 - 1012Otton was the Last of the Carolingians descended from Louis the Pious.  
   Gothelo I 1023 - 1044de Verdun 
   Gothelo II the Coward 1044 - 1046As some sources do not mention him, there is some doubt as to his existence. He may have been mentally deficient.  
   Godfrey III the Bearded 1065 - 1069  
   Godfried IV van Bouillon 1088 - 1100de Boulogne