Jessica Barrymore, Drew Barrymore's Half-Sister, Dies at 47

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Jessica, whose father was actor John Drew Barrymore, was found dead in her parked vehicle; Drew wishes her "as much peace as possible."

Jessica Barrymore, daughter of John Drew Barrymore and half-sister of actress Drew Barrymore, has died. She was 47.

Jessica was found dead in her parked vehicle in National City, Calif., at 6:05 a.m. on July 29, according to the San Diego County Medical Examiner's Office.

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The cause of death has yet to be determined and further details have not been released. Jessica, who was divorced, would have turned 48 on July 31. 

John Drew Barrymore — an actor whose credits included Gunsmoke and Rawhide — was married four times, all of which ended in divorce. He died in 2004 after struggling with substance issues. Jessica's mom was actress Nina Wayne

Drew Barrymore, 39, released a statement to The Hollywood Reporter on Wednesday: "Although I only met her briefly, I wish her and her loved ones as much peace as possible, and I'm so incredibly sorry for their loss."

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