Jérôme Lefèvre, formerly known as the producer of Delalot Champagnes, has created Maison Jérôme Lefèvre, a new project focused on the production of collectible Champagnes alongside red and white Côteaux Champenois, developed from a small vineyard of 0.5 hectares located in the village of Essômes-sur-Marne, in the Vallée de la Marne.