Question: Who is Joan Of Armagnac's father-in-law?
Sentence (from "Joan of Armagnac"): Joan of Armagnac (French: "Jeanne d'Armagnac"; 24 June 1346 – 1387) was a French noblewoman of the Armagnac family, being the eldest daughter of Count John I of Armagnac and his wife Beatrice of Clermont.
Relevant evidence: No