[1] In 1812, a former cooper and bottler, Alphonse Pierlot, purchased two parcels of land named "Plaisances" and "La Tour Glorieux" in Tours-sur-Marne.

Following the war, Veuve Mathilde hired Alexander Fletcher Keith Mackenzie to introduce and market Laurent-Perrier in the United Kingdom.

Marie-Louise invested all she could in the company, keeping it afloat through the turmoils of war, at one point mortgaging 1,000 cases of Champagne she had hidden in a wall.

Her eldest son, Maurice, died during the war in the concentration camp at Oranienburg, leaving his younger brother, Bernard de Nonancourt, as the heir apparent.

Relais et Chateau is an international organization which promotes particularly unique hotel and restaurant establishments of which Laurent-Perrier became an official champagne partner in 2001.