Question: Who is the mother-in-law of Matilda Fitzroy, Duchess Of Brittany?
Sentence (from "Conan III, Duke of Brittany"): Conan III, also known as Conan of Cornouaille and Conan the Fat (c. 1093–1096 – September 17, 1148) was duke of Brittany, from 1112 to his death.
Relevant evidence: No