Drew Barrymore's Half Sister, Jessica Barrymore, Found Dead

Heartbreaking news for Drew Barrymore: her half-sister Jessica Barrymore has been discovered dead in San Diego, CA. While there are few details at this time, the scene suggests she died of a drug overdose.

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A neighbor found Jessica Barrymore in the driver's seat of her car, unresponsive. There were white pills scattered on the seat. The local police have confirmed the death to ABC 10, but say the cause of death is still pending an autopsy.

Jessica and Drew shared a father, the legendary actor John Drew Barrymore. Drew also had a substance abuse problem, which she has discussed publicly and extensively. Drew has not yet commented on this tragedy.

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Did you know Drew Barrymore had other siblings? Has anyone in your family ever struggled with substance abuse? Tell us in the comments below or tweet us @OKMagazine.