Third son Edward Beale McLean, Jr., married Ann Carroll Meem, in May 1938. Their divorce was granted in July 1943 and, in August, he then married actress Gloria Hatrick, with whom he had two sons, Ronald and Michael. Ronald died, in 1969, during enemy fire while serving in Vietnam as a first lieutenant in the United States Marine Corps. McLean Jr. and Gloria divorced in January 1948. In October of that year, he married Manuela Mercedes "Mollie" Hudson, who had been the first wife of Alfred Gwynne Vanderbilt Jr.; in August 1949, Gloria married actor James Stewart. McLean Jr. and Hudson-Vanderbilt separated in the 1960s and divorced in 1973, after which he married a fourth time, to Patricia Dewey.