Question: Who is the mother-in-law of Guy Xiii De Laval?
Sentence (from "Anne de Laval (1385–1466)"): She was the daughter of Jeanne de Laval-Tinténiac and her second husband (died 1412), governor of Brittany and baron of Laval (Jeanne's first husband had been Bertrand du Guesclin).
Relevant evidence: Yes