Question: Who is Maria, Duchess Of Guelders's paternal grandfather?
Sentence (from "Reginald II, Duke of Guelders"): Reginald II of Guelders , called "the Black" (c. 1295 – 12 October 1343), was Count of Guelders, and from 1339 onwards Duke of Guelders, and Zutphen, in the Low Countries, from 1326 to 1343.
Relevant evidence: No