Diane Keaton’s Cause Of Death Revealed

LOS ANGELES, CA — Diane Keaton's family on Wednesday shared the cause of the actor's death.

In a statement to People, Keaton's family confirmed the Oscar-winning actor died of pneumonia on Saturday. She was 79.

"The Keaton family are very grateful for the extraordinary messages of love and support they have received these past few days on behalf of their beloved Diane, who passed away from pneumonia on October 11," reads the statement.

The Los Angeles Fire Department responded to Keaton's Brentwood home at 8:08 a.m. Saturday and transported Keaton to a hospital, where she died.

The Los Angeles native had reportedly experienced a sudden decline in health in recent months.

"She declined very suddenly, which was heartbreaking for everyone who loved her,” an unnamed family friend told People. “It was so unexpected, especially for someone with such strength and spirit."

In Wednesday's statement, Keaton's family went on to discuss causes the actor was passionate about.

"She loved her animals and she was steadfast in her support of the unhoused community, so any donations in her memory to a local food bank or an animal shelter would be a wonderful and much appreciated tribute to her," the statement reads.

• Read more about the life of Diane Keaton

City News Service contributed to this report.