" 

 :But how far down the hierarchy of titles are you willing to go? How about a margravine consort box? A countess consort box? A lady consort box? Frankly, the thought of such constructions makes me shiver. That gets particularly absurd when we reach the point of describing someone like Maria Theresa as ""Grand Duchess consort of Tuscany"", a title that nobody has ever used and especially not to refer to a woman who actually ruled a great part of Europe.   "