I was a fan too. The people who criticized her so much, especially on her marriage to Onassis, were not thinking of the horrors that she had been through, and her need to protect her children.
Yes. She did marry Onassis for money and for the protection his wealth and European homes (and yachts!) provided. It was a very bad marriage though and I think he was going to divorce her.
I remember reading about the two of them lining up to get into PJ Clarke’s in the 60s. It seemed so glamorous to me although Clarke’s was basically a dump, lol.