The Merck family is a German noble family of industrialists and bankers, known for establishing the world's oldest pharmaceutical company Merck, its American former subsidiary Merck & Co. (MSD), which is now an independent company, as well as the Hamburg merchant bank H. J. Merck & Co. The family still owns the majority of the pharmaceutical company Merck, making them one of the richest families in the world with an estimated wealth of more than 80 billion Dollars.