Question: Who is the mother-in-law of Elisabeth Of Austria, Queen Of France?
Sentence (from "Charles IX of France"): In 1572, after several unsuccessful peace attempts, Charles ordered the marriage of his sister Margaret of Valois to Henry of Navarre (the future King Henry IV of France), a major Protestant nobleman who was in the line of succession to the French throne, in a last desperate bid to reconcile his people.
Relevant evidence: No