http://www.butterick.com/item/B5114.htm?tab=costumes&page=1
I hope the link works. It's Butterick B5114, if it does not.
The line drawning isn't so bad. BUT. The made up version.... O. M. G. Between the modern bodice and the no-under-support-straight-to-the-ground skirt, it's hideous
I am probably totally wrong, but my ideal is based off this http://www.geocities.com/anoria_j/Medieval_images/Lady_Jane_Grey.jpg