Question: What is the date of death of John Ii, Duke Of Alençon's mother?
Sentence (from "Marie of Brittany, Lady of La Guerche"): Marie of Brittany (18 February 1391 – 18 December 1446) was the Countess of Perche and Lady of La-Guerche from 1396 until 1414, and the Countess of Alençon from 1404 until 1414.
Relevant evidence: Yes