Question: What is the date of death of Infanta Blanca Of Spain's mother?
Sentence (from "Princess Margherita of Bourbon-Parma"): She was a niece of Henri, comte de Chambord, disputedly King of France and Navarre from 2 to 9 August 1830 and afterwards the Legitimist Pretender to the throne of France from 1844 to 1883.
Relevant evidence: No