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
Oscar Hammerstein I Hammerstein's two daughters. They would also sue Hammerstein's third wife, Emma Swift Hammerstein, over money and ownership of the building. Emma Hammerstein would go to court claiming ownership through Hammerstein Opera Company stock, but the stocks were found to be null and void by the judge. The Manhattan Opera House on 34th Street in New York City was renamed the "Hammerstein Ballroom" at the Manhattan Center Studios in his honor. Hammerstein had four sons, Abe, Harold, Arthur,Willie and two daughters: Stella and Rose. Arthur continued the family business as an opera and Broadway producer, director, theater owner, and songwriter. Willie