The House of Dampierre was a noble family in medieval France, known for its influence and power during the 12th and 13th centuries. They were originally from the region of Dampierre-en-Yvelines and played a significant role in the feudal system, often holding lands and titles granted by the monarchy. Members of the House of Dampierre were involved in various military campaigns and political alliances, contributing to the shaping of regional governance. Their legacy includes connections to other noble families and participation in key historical events, reflecting the complexities of medieval aristocracy in France.