Julia Roberts Half-Sister Dead: Nancy Motes Tweets Angry Words Towards Sister Days Before Apparent Drug Overdose

Julia Roberts' half-sister Nancy Motes was found dead of an apparent drug overdose on Monday.

Motes, 37, was found in the bathroom of her Los Angeles, Calif. home on Feb. 10, according to US Weekly. Authorities will begin their examination on Tuesday.

"Nancy Motes was found dead at a residence in the bathroom yesterday, pronounced dead by the LA Fire Department at 2:12 PM yesterday," authorities said in a statement to US Weekly. "Not sure whose residence it was. She was found in a bathtub that had water in it. We're taking it as a suicide, not a drowning."

"She's being examined today. We are waiting for the doctor to provide his findings," the statement continued. "There were prescription and non-prescription drugs found at the scene. Cannot tell you what those drugs were. The role the drugs may or may not have played is not yet known. The investigator at the scene listed at this point that he is going with suicide and we are waiting for the doctor to finish the examination. We haven't gotten anything yet."

PerezHilton.com reports days before Robert's siblings alleged suicide, Motes called her half-sister "cruel" and a bad actress.

"So my 'sister' said that with all her friends & fans she doesn't need anymore love. Just so you all know 'America's Sweetheart" is a B***H," Motes wrote. "Do you want to be a fan of someone so cruel? She's not even that good of an actress. Happy you totally F***ed with me?"

Roberts and Motes have had a tumultuous relationship for over the years. In an interview with The Daily News in 2013, Motes claimed her half-sister bullied her most of her life.

"When I was in high school and she was an adult, she would just let me know that I was definitely overweight," Motes told The Daily News. "She would make it quite clear to me and in a not-so-nice a manner. It just makes me feel incredibly hurt and very sad. Mostly because I was overweight. My weight has fluctuated my entire life. So I just got a lot of criticism from Julia, which was very discouraging for me."

Motes' family is reportedly "both shocked and devastated" by her death, according to US Weekly.

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