Question: Who is Marie Of Orléans, Viscountess Of Narbonne's paternal grandfather?
Sentence (from "Charles, Duke of Orléans"): He was also Duke of Valois, Count of Beaumont-sur-Oise and of Blois, Lord of Coucy, and the inheritor of Asti in Italy via his mother Valentina Visconti, daughter of Gian Galeazzo Visconti, Duke of Milan.
Relevant evidence: No