A handsome young man in his twenties at a ball in the Middle Ages

a handsome young man in his twenties at a ball in the Middle Ages. he is a prince. he has black hair and lovely sharp features, his eyes are ice blue. At the ball he saw a beautiful young woman his age, she was wearing a dark purple dress the color of amethyst. He has long black hair and green eyes. the man is secretly watching her, but she doesn't notice him.