The House of Ascania is a noble dynasty that originated in the 10th century in what is now Germany. It played a significant role in the history of the Holy Roman Empire and was influential in the regions of Saxony and Brandenburg. The family produced several notable rulers, including the Dukes of Saxony and the Margraves of Brandenburg. Throughout its history, the House of Ascania was involved in various political alliances and conflicts. The dynasty's prominence declined in the late Middle Ages, but its legacy continues through descendants and historical contributions to European nobility.