James Hammerstein had one child (Oscar Andrew) with his first wife Basia, two children (Will and Jennifer) with his second wife Millette Alexander and one child (Simon) with his third wife Dena (Geraldine Sherman). He died in Manhattan after suffering a heart attack. James Hammerstein Hammerstein was the son of Oscar Hammerstein II, and his Australian-born second wife, Dorothy Kiaora Blanchard. He had four half-siblings, two through each of his parents' earlier marriages: William and Alice Hammerstein, and Henry and Susan Jacobson. The best known of these was Susan, whose husbands included Henry Fonda and Richard Widmark. Hammerstein attended George School in
Mike Hammerstein the 1984 season, Hammerstein registered 53 tackles, two fumble recoveries, and an interception. In his final year at Michigan, Hammerstein started all 12 games at defensive tackle. Hammerstein was paired on the defensive line with Mark Messner in 1985. Led by Hammerstein and Messner, the 1985 team went 10-1-1 and finished the year ranked #2 in the nation. The defense has been described as the best defense in the history of Michigan football. During the 1985 season, he tied Michigan's single season record for tackles for losses with 23 and set the record for yardage lost, sacking opponents for 112