The Robertian dynasty was a noble family in medieval France that played a significant role in the formation of the French monarchy. It originated in the late 9th century and is named after its founder, Robert the Strong, who was a powerful nobleman. The dynasty produced several important figures, including Hugh Capet, who became the first king of the Capetian dynasty in 987, marking the beginning of a new era in French history. The Robertians were influential in the transition from the Carolingian Empire to a more localized feudal system. Their legacy continued through the Capetian kings, who expanded their power and established a more centralized monarchy in France. The dynasty's impact on the political landscape laid the groundwork for future French rulers.