Question: Who is Isabella Of Castile, Duchess Of York's father-in-law?
Sentence (from "Isabella of France, Dauphine of Viennois"): " For other persons named Isabella of France, see Isabella of France( disambiguation)" Isabella of France and Burgundy( 1310 – April 1348) was the daughter of Philip V of France and Joan II, Countess of Burgundy.
Relevant evidence: No