Dom Pérignon (monk) at the Abbey of Hautvillers, Dom Groussard, who in 1821 gave an account of Dom Pérignon "inventing" Champagne among other exaggerated tales about the Abbey in order to garner historical importance and prestige for the church. Groussard’s myth achieved more than prestige for the church, it helped commercialize champagne at the turn of the twentieth century. The Syndicat du commerce used the myth to promote champagne and the Champagne region, producing a pamphlet called "Le Vin de Champagne" in 1896 that celebrated Perignon as the inventor of champagne by following "ancient traditions." The myth served to protect champagne made in
Lancelot, the Knight of the Cart to him by Marie de Champagne, and completed not by Chrétien himself, but by the clerk known as Godefroi de Leigni. A 12th-century French writer usually functioned as a part of a team, or a workshop attached to the court. It is believed that in the production of "The Knight of the Cart", Chrétien was provided with source material (or "matiere"), as well as a "san", or a derivation of the material. The "matiere" in this case would refer to the story of Lancelot, and the "san" would be his affair with Guinevere. Marie de Champagne was well known for