A Titanic Double Entendre at Robert Wagner's Character?

Charles Manson died on November 19th by the way;-) 

Watching 'Once Upon a Time ... in Hollywood' for the second time last night I couldn't help thinking that Quentin was having a dig at the rumours of Robert Wagner murdering his wife Natalie Wood and getting away with it all those years ago, even though the timeline would be way off like by over 20 years.

Jason Scott Lee was born on November 19th:-)

What happened to Cliff Booth's wife?

Although, it looks like that I'm not the only one who thinks this may be the case.
Once Upon a Time in Hollywood: Natalie Wood and Andras Jones?

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April 15th is the anniversary of the sinking of the Titanic;-)

Jodie Foster was 12 years old in 'Taxi Driver' by the way;-)

Trudi Fraser in 'Once Upon a Time ... in Hollywood' is Based on Jodie Foster Mr. Knowles?

Kind of ironic how the actor in the 1953 version of 'Titanic' who fights with his wife in the movie is named Clifton and shares November 19th as a birthday with Jodie Foster.

The Siren Song Sings on in the Ripples of the Wake?

Once Upon a Time in Hollywood Under the Silver Lake and the Milky Way?