I wish I had a better version. That image comes from an hungarian documentary that acknowledges the image archive of the Gödöllo Palace for the photos used in it.
The photo was obviously taken at the same time than this one, by Joseph Albert in Munich in 1865:
I like to think that the women beside her are two of her sisters, but most likely they are her ladies in waiting.
The image archive in Gödöllo must have some rare photos...