Did jerry seinfelds mom on the show date James dean?

In the show "Seinfeld," Jerry's mother, Estelle Costanza, played by Estelle Harris, mentions that she once dated James Dean in her youth. This is a humorous anecdote that adds to her character's colorful backstory but is not a significant plot point in the series. It's a classic example of the show's blend of quirky character details and humor.