Question: What relationship does Nicole Mitchell Murphy have to Eddie Murphy? 
Context: Edward Regan Murphy (born April 3, 1961) is an American comedian, actor, writer, singer, and producer.  Murphy was a regular cast member on "Saturday Night Live" from 1980 to 1984.  He has worked as a stand-up comedian and was ranked #10 on Comedy Central's list of the 100 Greatest Stand-ups of All Time. Eddie Murphy Raw is a 1987 American stand-up comedy film starring Eddie Murphy and directed by Robert Townsend.  It was Murphy's second feature stand-up comedy film, following "Eddie Murphy Delirious".  However, unlike "Delirious", "Raw" received a wide theatrical release film.  The 90-minute show was filmed in Manhattan New York City's Felt Forum, a venue in the Madison Square Garden complex.  To this day, "Raw" is the #1 stand-up film of all time box office, making $50.5 million worldwide.  The film was released in the United States on December 18, 1987. Coming to America is a 1988 American romantic comedy film directed by John Landis, and based on a story originally created by Eddie Murphy, who also starred in the lead role.  The film also co-stars Arsenio Hall, James Earl Jones, Shari Headley and John Amos.  The film was released in the United States on June 29, 1988.  Eddie Murphy plays Akeem Joffer, the crown prince of the fictional African nation of Zamunda, who comes to the United States in the hopes of finding a woman he can marry. The PJs is an American stop-motion animated sitcom, created by Eddie Murphy, Larry Wilmore, and Steve Tompkins.  It portrayed life in an urban public housing project, modeled after the Cabrini–Green housing projects in Chicago.  The series starred Eddie Murphy, and was produced by Imagine Entertainment by Ron Howard and Brian Grazer, The Murphy Company and Will Vinton Studios in association with Touchstone Television. Nicole Mitchell Murphy (born Nicole Mitchell) is an American fashion model, television personality, designer, actress, and businesswoman.  She is best known for her international modelling career, 12 year marriage to comedian/actor Eddie Murphy, and participation on reality television show "Hollywood Exes".  She has also been credited as Nicole Mitchell, her maiden name, and Nicole Murphy (her ex-husband being Eddie Murphy). K. Nicole Mitchell (full name: Katie Nicole Mitchell and also known as Nicole Mitchell) is currently a U.S. Magistrate Judge of the United States District Court for the Eastern District of Texas. All I Fuckin' Know (titled All I "$%*#@*#" Know on the cover) is the second compilation album and seventh album overall by comedian/singer, Eddie Murphy.  The album was released on April 28, 1998 for Sony Records and was produced by Eddie Murphy.  "All I Fuckin' Know" contained both Stand-Up comedy sketches and songs that Murphy recorded in the 1980s. Life is a 1999 American comedy-drama film written by Robert Ramsey & Matthew Stone and directed by Ted Demme.  The film stars Eddie Murphy and Martin Lawrence.  It is the second film that Eddie Murphy and Martin Lawrence have worked on, the first being "Boomerang".  The supporting cast includes Obba Babatundé, Bernie Mac, Anthony Anderson, Miguel A. Núñez Jr., Bokeem Woodbine, Guy Torry and Barry Shabaka Henley.  The film's format is a story being told by an elderly inmate about two of his friends, who are both wrongly convicted of murder and given a life sentence in prison.  The film was the last R-rated role to date for Eddie Murphy, who has stuck mainly to family-friendly films since. Greatest Comedy Hits is the first compilation album by American comedian Eddie Murphy.  The album was released on May 27, 1997 for Columbia Records, produced by Vernon 'Vas' Lynch Jr and Murphy himself.  "Greatest Comedy Hits" featured his greatest stand-up comedy sketches as well as recordings from his films, "Coming to America", "The Nutty Professor" and "Eddie Murphy Raw". Delirious (1983) is an American stand-up comedy television special directed by Bruce Gowers, written by and starring Eddie Murphy.  The comedy became a TV Special for HBO released August 30, 1983.  The 70-minute film became Eddie Murphy's first feature stand-up film, becoming the predecessor to the wide theatrical release in 1987, "Eddie Murphy Raw".  The stand-up was also released as an album on October 24, 1983 titled """", which won Grammy for Best Comedy Album at the 1984 Grammy Awards.
Answer: 12 year marriage