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OTRC: Hugh Hefner's son pleads no contest in Playboy Playmate domestic violence case

Hugh Hefner and his son Marston appear in at their joint birthday bash at the Palms Hotel and Casino in Las Vegas on April 9, 2011. / Marston Hefner and Claire Sinclair appear in a photo posted on the Playboy Playmate's official Lockerz account on February 9, 2012. (Yfrog.com/h32k7dqj / Lockerz.com/s/182249142)

Playboy founder Hugh Hefner's son, Marston Hefner, has pleaded no contest to a misdemeanor domestic violence charge after he was accused of assaulting Claire Sinclair, his live-in girlfriend and the 2011 Playmate of the Year.

The 21-year-old man was arrested on February 12 after police in Pasadena, California, were called to his home to investigate a call about alleged battery during a confrontation with the woman. They said she sustained minor injuries and was issued an Emergency Restraining Order against him.

Marston Hefner entered a no contest plea to a charge of corporal injury to a cohabitant on Tuesday, March 20, OnTheRedCarpet.com has learned. As part of his plea deal, he must enroll in a 52-week domestic violence treatment program within 30 days and must stay away from Sinclair, whose real name is Clarissa Irene Riccio, for up to three years. She has since moved to another home.

A charge of vandlism was dismissed as part of the plea deal. Hefner's son, who is not currently in custody, is set to be sentenced on June 12.

Sinclair told Maximo TV last year that her relationship with him was "tumultuous." When asked if the couple planned on getting married, she said definitively, "Hell no."

A day before Marston Hefner's arrest, Sinclair Tweeted a photo of herself at the Musicares Grammy-themed fundraiser at the Playboy Mansion, posing with Hugh Hefner and several Playmates.

Marston Hefner's mother is Kimberley Conrad, the 1988 Playmate of the Year who was married to his father from 1989 to 2010. She is Hugh Hefner's second wife.

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