Conversation so far:
When did August Strindberg die?
He died on 14 May 1912.
How did he die?
During Christmas 1911, Strindberg became sick with pneumonia and he never recovered completely.
When was his funeral?
the funeral was postponed for five days, until Sunday, 19 May.

Question: Who all came?
Self-contained rewrite: Who all came to August Strindberg's funeral?