Question: When did Archduchess Maria Beatrix Of Austria-Este's mother die?
Sentence (from "Princess Elisabetta of Belgium"): Princess Elisabetta of Belgium, Archduchess of Austria- Este( née" Nob." Elisabetta Rosboch von Wolkenstein on 9 September 1987) is the wife of Prince Amedeo of Belgium, Archduke of Austria- Este.
Relevant evidence: No