Wall Street Journal Plus Members Exclusive - Martell, the oldest of the great cognac houses, forged by passion and knowledge passed through the Martell family since 1715 - creating cognacs that have been enjoyed and cherished for three centuries. With its distinctive, arch-shaped bottle, Martell XO is a powerful symbol of inspiration - a testimony to Jean Martell’s visionary spirit. Combining the elegance of the Borderies with the power of the Grande Champagne terroirs, Martell is an outstanding XO bearing the hallmark of the Martell style.