Unsurprisingly, there was a lot of speculation about what exactly drew the two together.
It was from the wedding of Caroline Kennedy, who married Edwin Schlossberg in 1986.
Few living Americans, for that matter, have been so fervently admired by foreigners.
Nor, apparently, did he savor a piece of wedding cake that has survived time.
Jackie had married Ari in 1968 after he wooed her with gifts and declarations of love - even though her family and friends were never convinced he was the right match for her.
She had dated Onassis previously, and the way the news was handled would end up souring their.
Their pre-nup specified that they would sleep in separate bedrooms and Jackie would have no obligation to bear the billionaire any children.