Question: Who is Jeanne De Fougères, Countess Of La Marche And Of Angoulême's mother-in-law?
Sentence (from "Yolande of Brittany"): Yolande of Brittany( late 1218 – 10 October 1272) was the ruler of the counties of Penthièvre and Porhoet in the Duchy of Brittany.
Relevant evidence: No