Question: When did Hoël Ii, Duke Of Brittany's mother die?
Sentence (from "Margaret of Foix"): Margaret of Foix( French:" Marguerite de Foix"; c. 1449 – 15 May 1487) was Duchess of Brittany from 1474 to 1486 by marriage to Francis II, Duke of Brittany.
Relevant evidence: No