 Sidney Korshak married Bernice Stewart (born 1920) sometime in the mid-1940s, and they had three children, Harry Stuart Korshak (born 1945), Stuart R. Korshak (born 1947), and Katherine "Katy" Korshak.The Korshaks' primary residence was a mansion in Beverly Hills, California for many years, with a secondary home in Palm Springs, California.It was Korshak who suggested actress Jill St. John to Eon Productions for the "James Bond" film, "Diamonds Are Forever".