Conversation so far:
When did Hattie McDaniel die?
Hattie McDaniel died at age 59 on October 26, 1952.
What caused Hattie McDaniel's death?
Hattie McDaniel died of breast cancer.
Was Hattie McDaniel treated before her death?
What else can I know about Hattie McDaniel's death besides when she died and her cause of death?
Thousands of mourners turned out to celebrate Hattie McDaniel's life and achievements.
Where did Hattie McDaniel die?
Hattie McDaniel died in the hospital on the grounds of the Motion Picture House in Woodland Hills, California.
Where was Hattie McDaniel buried?
Hattie McDaniel's second choice for burial was Rosedale Cemetery (now known as Angelus-Rosedale Cemetery), where she lies today.

Question: Who were those present at the burial?
Self-contained rewrite: Who were those present at Hattie McDaniel's burial?