Ashe is the daughter and only child of King Dalmasca, who died during the Archadian invasion. After Dalmasca was conquered, Ashe disappears and forms the resistance against Archadia. She hopes to free the people of Dalmasca from the rule of the Empire.
More about Ashe at http://en.wikipedia.org/wiki/Characters_of_Final_Fantasy_XII#Ashelia_B.27nargin_Dalmasca
Ashe at YouTube: http://www.youtube.com/watch?v=7sM7uQZO8EQ
Ashe at YouTube: http://www.youtube.com/watch?v=7sM7uQZO8EQ