Agnès, later Agnès de Milan, is the captain of the Musketeer Corps in Tristain.
She was presumably born in D'Angleterre, Tristain. She became acquainted with a woman from Romalia named Vittoria, who took refuge in D'Angleterre. She was orphaned when a party led by Jean Colbert was sent to destroy D'Angleterre.
She became a knight under Henrietta.