"Blessed Damozel"
Christina Rossetti as model:
http://www.abcgallery.com/R/rossetti/rossetti3.html (she was the model for Mary).
Elizabeth Siddal:
http://www.abcgallery.com/M/millais/millais22.html
as Beatrix: http://www.artunframed.com/images/artmis60/ross23.jpg