according to the articles published by Sohu. com, Martell is a brand of Pernod Ricard.

Martell is the oldest large-scale cognac brewery. Pernod Ricard Group was formed by the merger of Pernod Ricard (founded in 185) and Ricard (founded in 1932), two largest French liquor companies, in 1975. It is one of the three largest spirits and wine groups in the world.