Conversation so far:
what was Hearst's relationship with Marion Davies?
William Randolph Hearst and Marion Davies lived as a couple for decades but were never married.
why didn't William Randolph Hearst and Marion Davies marry?
William Hearst's wife refused to give him a divorce.
Why didn't William Randolph Hearst divorce his wife?
William Hearst reportedly came close to marrying Marion Davies, but decided his wife's settlement demands were too high.
could you give me some more interesting information on Marion Davies please?
Lita Grey, the second wife of Charlie Chaplin, wrote four decades later that Marion Davies confided with her about the relationship with William Hearst.
who was Hearst possesive of?
Marion Davies
where were William Randolph Hearst and Marion Davies living?
The two spent most of the Second World War at William Hearst's Northern California estate of Wyntoon.

Question: did they ever part ways?
Self-contained rewrite: did William Randolph Hearst and Marion Davies ever part ways?