The Suduiraut family has occupied this Premier Cru estate since the 16th century. The vineyards border those of Chateau d'Yquem where just a single wing of the original chateau remains. Suduiraut began seeing success in the late 19th century when it received accolades for its innovative means of grafting French vines to American rootstock to counteract the damaging affects of Phylloxera. This pioneering solution paved the way for Suduiraut to produce wines of superior quality decades later. In 1940 Suduiraut was revitalized under the management of Pierre Pascaud. Today the vines at the chateau consist of approximately 80% Semillon and 20% Sauvignon Blanc. Most of the wines show best after about 10 years of bottle aging. In addition to a Creme de Tete and Creme de Tete Cuvee Madame the estate's second wine is Castelnau de Suduiraut.