The House of Rethel was a noble family in medieval France, known for its influence in the region of Rethel, located in the Champagne area. This house played a significant role in the feudal system, with members often holding important titles and lands. Members of the House of Rethel were involved in various military and political activities, contributing to the power dynamics of the time. The family is also noted for its connections to other noble houses, which helped to strengthen alliances and expand their influence throughout the region.