Question: When did Archduchess Maria Beatrix Of Austria-Este's mother die?
Sentence (from "Archduchess Maria Beatrix of Austria-Este"): Archduchess Maria Beatrix of Austria-Este (13 February 1824 – 18 March 1906) was the consort of the Carlist pretender, Juan, Count of Montizón and, by birth, a member of the House of Austria-Este which had ruled the Duchy of Modena.
Relevant evidence: No