Nancy Dow (born July 22, 1936) is an American actress who appeared in a brief group of films. She was married to Greek American actor John Aniston with whom she had a daughter, actress Jennifer Aniston (born February 11, 1969).Nancy Dow was born in New York City, one of six daughters of Louise (née Grieco) and Gordon McLean Dow. Her maternal grandfather, Louis Grieco, was an Italian immigrant; her other ancestry includes English, Scottish, Irish and Greek. Dow was also married to John T.