Question: Who is Charles I, Duke Of Bourbon's mother-in-law?
Sentence (from "Charles I, Duke of Bourbon"): He was Count of Clermont-en-Beauvaisis from 1424, and Duke of Bourbon and Auvergne from 1434 to his death, although due to the imprisonment of his father after the Battle of Agincourt, he acquired control of the duchy more than eighteen years before his father's death.
Relevant evidence: No