Dorothy Vernon probably, named after a character in a Gilbert & Sullivan opera. She started her escape with her lover from the Dorothy Vernon steps leading from the first floor of the hall. Maybe she then fled over the Dorothy bridge, it would make sense.
The eyes have it, as always in portraits. Contrast looks fine on my monitor, but I do find the background defocusing a little distracting. Have you softened it in Photoshop? If so, maybe a little too much, if not then perhaps darkening it more would help.
Thanks guys. The light top right was not diffused as we were experimenting with more dramatic lighting. So the shadows are quite deliberate, although it's a matter of taste as to whether it works or not.