Question: When did Louis, Duke Of Brittany (1707–1712)'s mother die?
Sentence (from "Louis, Duke of Brittany (1707–1712)"): Louis, Duke of Brittany (8 January 1707 – 8 March 1712), was the second son of Louis of France, Duke of Burgundy, and Marie Adélaïde of Savoy.
Relevant evidence: Yes