Premise: Otard, also known as Chateau de Cognac, is a French cognac house founded in 1795 by Jean-Baptiste Antoine Otard. The company has remained in the hands of the same family since its establishment. The firm is based in the Château des Valois (Château de Cognac), Cognac, Charente, its home since 1796.
Hypothesis: Otard has not changed ownership.