The House of Billung was a dynasty of Saxon noblemen in the 9th through 12th centuries. The first known member of the house was Count Wichmann, mentioned as a Billung in 811. Oda, the wife of Count Liudolf, oldest known member of the Liudolfing House, was also a Billung. In the 10th century, the property of the family was centered in the Bardengau around Lüneburg and they controlled the march named after them. In the middle of the 10th century, when the Saxon dukes of the House of Liudolf… (More on Billung)