vallein tercinier liqueur poire 24 volCognacs from Vallein Tercinier have been delighting the palates of discerning connoisseurs since 1850 . Catherine Roudier Tercinier and her nephew Stphane Roudier are now leading the traditional house into a new era. To do this, they rely on the wealth of experience of their ancestors and an extensive, decades old barrel inventory built up over six generations of Cognac passion.