The Dauphin known by this first name appears in "Henry VI, Part I"
... A little 
while later King Charles, and the Maid appear on the walls of this city, .... Called 
upon to pronounce judgment in his turn, Warwick states it is... [DOC] [TLE] First Part of King Henry the Sixth at Absolute Shakespeare [PAR] Shakespeare's First Part of King Henry the Sixth in the original text, complete with 
line ... William Shakespeare's King Henry VI, part I in the complete original text.