In Shakespeare’s play Henry V, there is a rather ridiculous and self-important French prince called “the Dauphin,” who insults Henry by sending him a tun of tennis balls, and later is present at the Battle of Agincourt (but whether he survives the battle is unclear, IIRC). Was that the same Dauphin who later (with the help of Joan of Arc) became King Charles VII of France? The Wikipedia article on Charles VII – http://en.wikipedia.org/wiki/Charles_VII_of_France – says:
Which doesn’t clear things up.