Comte de Vergennes is a real person portrayed by Jean-Hugues Anglade in the TV series John Adams (based on a true story).
In the first episode they appeared in, titled Don't Tread on Me (season 1), they were 52 years old.
They appear in 1 episodes out of a total of 7 aired
Episodes1
Don't Tread on Me
episode S1.E3 march 2008John and John Quincy sail to France to join Benjamin Franklin as part of the American mission but Adams' blunt style is ill-suited to diplomacy.