Question: When did Prince Filiberto, Duke Of Genoa's mother die?
Sentence (from "Prince Aimone, Duke of Aosta"): Prince Aimone, 4th Duke of Aosta(" Aimone Roberto Margherita Maria Giuseppe Torino"; 9 March 1900 – 29 January 1948) was a prince of Italy's reigning House of Savoy and an officer of the Royal Italian Navy.
Relevant evidence: No