.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}@media all and (max-width:500px){.mw-parser-output .hidden-begin{width:auto!important;clear:none!important;float:none!important))You can help expand this article with text translated from the corresponding article in German. (March 2016) Click [show] for important translation instructions.
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The House of Billung was a dynasty of Saxon noblemen in the 9th through 12th centuries.[1]
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 as was Matilda of Ringelheim.
The house submerged into the Welf and Ascania dynasties when Duke Magnus died in 1106 without sons; the family's property was divided between his two daughters. His daughter Wulfhilde married Henry IX, Duke of Bavaria, a member of the House of Welf; his daughter Eilika married Otto, Count of Ballenstedt, a member of the House of Ascania. As a consequence, for the following decades control of Saxony was contested between the Welfs and Ascanians.