Is there a purpose of these ghosts ?

Question

When you go to that old villa in Eterna Forest there are 2 ghosts. The 1st is a girl and the 2nd in an old man. Is there a secret?

Answer 1

That old villa is the old chauteu. Those ghost do not have anything to do with anything
http://bulbapedia.bulbagarden.net/wiki/Eterna_Forest#Old_Chateau as nothing is in here