Lost Dauphin

Lost Dauphin:

see Louis XVIILouis XVII
(Louis Charles), 1785–1795?, titular king of France (1793–95), known in popular legend as the "lost dauphin." The second son of King Louis XVI and Queen Marie Antoinette, he became dauphin at the death (1789) of his elder brother.
..... Click the link for more information. , titular king of France.