LOS ANGELES — Actress Diane Keaton's family revealed her cause of death Wednesday nearly a week after she died.

The family told PEOPLE she died from pneumonia and said they appreciate the outpouring of love from friends and fans alike. The Oscar-winning actor died Saturday, Oct. 11.

Her health had been in question before her death, according to her longtime friend Carole Bayer Sager. She told PEOPLE Keaton "was very thin" and lost a lot of weight since her home was damaged in the Los Angeles wildfires earlier in the year.

“She had to go to Palm Springs because her house had been damaged inside, and they had to clean everything,” Sager told PEOPLE. “She was down there for a while, and when she came back, I was kind of stunned by how much weight she’d lost.”

Keaton's family is encouragin

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