· diane keaton died in los angeles on saturday at age 79, and her family says the cause was pneumonia. · diane keaton ’ s cause of death has been released days after the oscar-winning actor died at the age of 79. · the family of hollywood star diane keaton have revealed that the oscar-winning actress died of pneumonia. 11, surrounded by loved ones,. · in an exclusive statement to people, the oscar-winning actress’s family confirmed she died of pneumonia on oct. The annie hall actor died in california on oct. The 79-year-old hollywood staple died oct. · the cause of death of oscar-winning actress diane keaton has reportedly been revealed. · a death certificate released thursday said that the oscar-winning actor died on oct. 11 from pneumonia, her family said in. · diane keaton s cause of death has reportedly been released days after news of her death became public. 11 and expressed their gratitude for the outpouring of support. Keaton, known for her roles in the godfather and father of the bride, died on 11 october at the age of 79. 11 of bacterial pneumonia.
