William II the Young was the Count of Auvergne and Duke of Aquitaine

Duke of Aquitaine

The Duke of Aquitaine ruled the historical region of Aquitaine under the supremacy of Frankish, English and later French kings....

 from 918 to his death, succeeding his uncle William I

William I of Aquitaine

William I , called the Pious, was the Count of Auvergne from 886 and Duke of Aquitaine from 893, succeeding the Poitevin ruler Ebalus Manser. He made numerous monastic foundations, most important among them the foundation of Cluny Abbey on 11 September 910.William was the son of Bernard II of...

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William was son of the Acfred I of Carcassonne

Acfred I of Carcassonne

Acfred I was the Count of Razès from 837 and Count of Carcassonne from 877.Acfred was the younger son of Oliba I of Carcassonne. He inherited Razès on his father's death, while his elder brother Oliba II inherited Carcassonne...

 and Adelinde, William I's sister. Immediately after succeeding his uncle, he made war on the Burgundians

Burgundians

The Burgundians were an East Germanic tribe which may have emigrated from mainland Scandinavia to the island of Bornholm, whose old form in Old Norse still was Burgundarholmr , and from there to mainland Europe...

 and Normans

Normans

The Normans were the people who gave their name to Normandy, a region in northern France. They were descended from Norse Viking conquerors of the territory and the native population of Frankish and Gallo-Roman stock...

, who refused to accept Rudolph

Rudolph of France

Rudolph was the Duke of Burgundy between 921 and 923 and King of Western Francia from thereafter to his death. Rudolph inherited the duchy of Burgundy from his father, Richard the Justiciar...

 as king of France. His support of the king, however, was insincere. He later revolted and Rudolph led an army into Aquitaine

Aquitaine

Aquitaine , archaic Guyenne/Guienne , is one of the 27 regions of France, in the south-western part of metropolitan France, along the Atlantic Ocean and the Pyrenees mountain range on the border with Spain. It comprises the 5 departments of Dordogne, :Lot et Garonne, :Pyrénées-Atlantiques, Landes...

, but was called back to defend the Rhine from the Magyars. William died soon after. He had married Gerletta, the daughter of Rollo

Rollo

Rollo has multiple meanings. It may mean:a first name*Rollo Armstrong, member of British dance act Faithless* Rollo May, American psychologist...

 and had a daughter Blanche (d.989, lat. Blanca) who married Louis V of France

Louis V of France

Louis V , called the Indolent or the Sluggard , was the King of Western Francia from 986 until his early death...

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