By the way (again) Wikipedia says the characters in QUEEN ELEANOR'S CONFESSION are Eleanor of Aquitaine, Henry II of England, and William Marshal, 1st Earl of Pembroke, a.k.a. Guillaume le Maréchal. The office he held was called Lord Marshal in those days—it was called Earl Marshal after 1397, some 178 years and 14 office-holders later.

So right off the bat, the story contains an anachronism, but the whole thing is fictional anyway.